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In the first 11 months of 2023, the total value of foreign trade import and export in Kunshan City, Jiangsu Province was 687 billion yuan, an increase of 8.8% year-on-year, accounting for 14.4% of the total value of import and export in Jiangsu Province. Among them, exports 459.78 billion yuan, an increase of 7.5% year-on-year, accounting for 15% of Jiangsu Province; imports 2272.2 billion yuan, an increase of 11.4% year-on-year, accounting for 13.3% of Jiangsu Province.

Since the beginning of this year, Kunshan has changed from passive to active and pressure to power, and foreign trade has shown a trend of steady progress and improvement in quality. In October, Kunshan’s monthly import and export crossed three billion steps, reaching 13 billion US dollars for the first time, driving the province’s foreign trade growth of 5.7 percentage points, and both imports and exports broke the historical monthly record. The latest released data shows that Kunshan’s import and export trade exceeded 10 billion US dollars for three consecutive months in September, October and November, and the monthly import and export value broke the historical record in September and October. Especially with the steady recovery of consumer electronics market demand, Kunshan’s foreign trade is expected to continue to improve and make Kunshan contributions to Jiangsu’s stabilizing the basic foreign trade market. When exploring the reasons for Kunshan’s foreign trade data to rise against the trend, the "industrial chain, value chain, innovation chain, service chain" and "four-chain force" have become the key to promoting Kunshan’s foreign trade to stabilize and improve.

Advance planning, deeply empower the "industrial chain"

Industry is the foundation of foreign trade, and strong industry makes strong trade. As a strong industrial city, the advantage of the industrial chain has always been Kunshan’s greatest advantage. In the field of electronic information industry alone, Kunshan has attracted more than 2,000 upstream and downstream enterprises to settle in, creating an electronic information industry chain with a total output value of over 600 billion yuan.

Kunshan Comprehensive Bonded Zone (Photo courtesy of Kunshan Financial Media Center)

Kunshan has continuously consolidated the foundation and advantages of the two hundred billion-level industrial clusters of electronic information and equipment manufacturing, and strives to hedge the uncertainty of the external environment with the certainty of its own development, and create more possibilities. In the first half of the year, foreign trade faced greater pressure. Kunshan paid close attention to the demand orientation and development trends of traditional foreign trade industries such as electronic information manufacturing, and launched a number of assistance measures to help enterprises reduce costs and increase efficiency.

At the same time, Kunshan also plays the strong magnetic force of leading enterprises. The development of leading enterprises is related to the stability of foreign trade, and also affects the development of a large number of small and medium-sized enterprises. On the one hand, Kunshan vigorously implements the electronic information "consolidation" project and the equipment manufacturing "strong foundation" project, accelerates the deep integration of the digital economy and advanced manufacturing industry, actively plays the role of midstream enterprises linking the previous and the next, promotes the integration and innovation of the industrial chain and supply chain, and continuously enhances the global industrial chain. It has the voice over. On the other hand, Kunshan has also continued to release the "magnet" role of "chain owner" enterprises, extending investment tentacles, broadening investment channels, gathering a number of industrial chain and supply chain core enterprises such as SAIC, Tesla, BYD, Ningde Times, NIO, Dow Chemical, etc., and fully tapping the investment resources of upstream and downstream related enterprises. It is worth mentioning that Kunshan is also actively targeting new opportunities and new markets, promoting the transformation of traditional manufacturing to digital manufacturing, comprehensively optimizing the integrated layout of "core-cloud-network-end-chain", and promoting the intelligent transformation, digital upgrading, digital Product Research & Development, and intelligent equipment manufacturing of enterprises as a whole. "With hard belt and soft, soft and hard", we will accelerate the formation of a 100 billion-level universe industry innovation cluster.

Climb higher and break through, expand and extend the "value chain"

In the face of weak global consumer electronics demand, Kunshan encourages enterprises to optimize product structure, help enterprises to undertake high-end laptop orders, guide AUO Electronics to expand the import scale of high-end equipment and advanced technology, and guide enterprises to stabilize the global consumer electronics market share and continue to explore emerging markets.

Good Child Children’s Products Co., Ltd. (Photo courtesy of Kunshan Rong Media Center)

Kunshan supports foreign trade enterprises to make good use of the two domestic and international markets and two resources, enhance the competitive advantage of technology, standards, brands, quality and service as the core, and achieve both domestic and foreign sales. Take the baby carriage king "Good Boy" as an example, the sales share of its "Evenflo" and "Cybex" brand child safety seats in North America and Europe are the first congeneric products, and the dominant position is gradually consolidating. "From January to October this year, our orders in the North American market increased by 12.4% year-on-year. We plan to continue to develop the North American and European markets next year." Wang Yong, general manager of the supply chain center of Good Boy Children’s Products Co., Ltd., said.

In addition, Kunshan also insists on leading development with major projects and competing for high-end resource elements globally. Vigorously carry out overseas investment promotion "Hundred Troupes War", from January to October, organized 32 investment promotion groups to Europe, Japan and South Korea and other countries and regions to carry out investment negotiations, successfully held 17 overseas investment promotion activities, visited more than 200 enterprises and institutions, and harvested more than 80 potential projects. Successfully held the 2023 Kunshan (Shenzhen) Investment Promotion Conference, signed 38 major projects with a total investment of 30.52 billion yuan. Vigorously attract a number of headquarters-type, leading-type, tax-source high-energy trading entities and "new quality productivity" projects, accelerate the signing and settlement of a number of key projects such as Coca-Cola, Dazheng Coffee, and Baoshi De, and through the "signing rate, completion rate, start-up rate, production rate, and production rate".

Regarding how to help new energy companies accelerate their "going overseas", Shi Yuhao, a customs officer from Kunshan Customs Inspection Division 1, shared his experience of helping: "We have established a’point-to-point ‘contact mechanism for key enterprises in our jurisdiction, and continue to provide technical services such as trade policy consultation, customs clearance and release of actual goods, to help enterprises seize opportunities to go overseas.

Take the initiative and accurately drive the "innovation chain"

Relying on the efficient vertically integrated industrial system and smooth bonded logistics channels of the Kunshan Comprehensive Bonded Zone, we will build an electronic product distribution center and expand the import of core components of the electronic information industry; continue to deepen the "bonded +" advantage, encourage enterprises to carry out bonded research and development business, guide processing trade enterprises to expand bonded inspection, bonded maintenance and other business models, and continuously enhance the resilience of the supply chain supply chain; link the "bonded area + professional market" function to build a digital commodity trading platform that integrates trading, settlement, clearing, finance, logistics and other functions.

Coffee Roasting Workshop (Photo courtesy of Kunshan Rongmedia Center)

Kunshan is also actively deploying hundreds of billions of coffee industry clusters, giving full play to the first-mover advantage of the import trade promotion innovation demonstration zone, promoting the development of the coffee industry towards clustering, diversification and high value-added fields, and actively creating new growth points for import trade. Kunshan has formed a chain around "one green bean" to "one cup of coffee", attracting more than 30 leading coffee companies such as Starbucks, Luckin, Yizheng, Zhongyuan of Vietnam, Louis Dreyfus of France, and Mitsui & Co., Ltd. of Japan to enter the chain. It has built an industrial ecosystem that integrates green bean trade, platform trading, R & D and roasting, brand sales, and coffee equipment, forming two major coffee industry characteristics: "whole industrial chain" and "internationalization". The city card of "China Coffee Silicon Valley" is about to emerge.

Based on the actual development and demand of the coffee industry, Kunshan uses "system + technology" two-wheel drive to tailor-made "three inspections and three releases" supervision mode for imported coffee inspection and quarantine. 90% of imported coffee goods have been "reported and inspected", and customs clearance efficiency has been significantly improved. In the first 11 months of this year, Kunshan achieved 31,200 tons of coffee beans imported, an increase of 213.6% year-on-year.

Kunshan is also grasping the strategic opportunity of the integrated development of the Yangtze River Delta region, giving full play to Kunshan’s geographical advantages, and building a "big channel" and "big platform" for opening up to the outside world in an all-round way. Optimize the connection between the Yangtze River Delta region and the ASEAN cargo trade platform, encourage bonded logistics enterprises to tap the trade potential under the premise of compliance with trade, and improve the efficiency of distribution and distribution. In the past six months, new imports and exports exceeded 9 billion yuan. Innovate to create a modern logistics center for the Yangtze River Delta International Airport, build a one-stop service platform for international air freight import and export, and use the innovative mode of direct access to the freight station to reduce the short-haul and multi-warehouse pickup links of trailers, achieve capacity integration, efficiency improvement, low-carbon emission reduction, seamlessly connect 111 airlines around the world, reach 1036 destinations around the world, smooth import and export freight channels, import and export speeds up by more than 10 hours and 5 hours respectively, cost reduction by more than 10%, and open up a new channel for air transportation of foreign trade enterprises.

Internally and externally, continuously optimize the "service chain"

"Kunshan service" is an important magic weapon for competing for orders, grasping projects and seeking development. Kunshan released the "Kunshan City Deepening" Kunruyi "Business Environment 2023 Innovation Action Plan" this year, and launched the "Investment and Business Protection Service Month" in advance; innovatively built a new government-enterprise communication platform "Kunruyi Enterprise Meeting Room", strengthened in-depth exchanges with enterprises, and stabilized development confidence; fully implemented the "28" new policies to promote the continuous recovery of the province’s economy, and introduced Kunshan City’s 45 policies and measures to promote the overall improvement of economic operation, 7 to stabilize foreign trade, and 12 to promote cross-border trade facilitation, and make greater efforts to promote the stability and improvement of the open economy; continue to build a development environment with "the lowest cost under the same conditions, the best service at the same cost, and the most market opportunities for the same service", and create the most attractive and competitive first choice for investment and entrepreneurship.

Taking supporting the development of the coffee industry as an example, Kunshan is neither a coffee origin nor a major consumer market. How can the coffee industry take root? In order to help Kunshan’s coffee industry connect with the world, Kunshan Customs implements a "customized" factor guarantee model. In response to the development needs of the coffee industry, a special class of coffee trade services has been established, and business experts have been selected to connect with coffee production enterprises, coordinate and solve the problems of enterprises in registration and filing, inspection and quarantine, and actual release. We provide "commissioner-style" services for the whole process of customs clearance. In this regard, Miao Shijun, head of Kunshan Real Gold Food Co., Ltd., said, "Under the guidance of Kunshan Customs, we quickly completed the filing of export food production enterprises, strengthened the quality control and safety management of key links in coffee roasting and processing, and effectively connected with the relevant laws and regulations of the target country. Further enhance the competitiveness of products in the international market. After the export road is completed, we will also rely on the advantages of Kunshan coffee’s entire industry chain to deepen cooperation with coffee leaders, so that Chinese coffee can enter the overseas market."

It is based on the continuous creation of a world-class environment that in the first three quarters of this year, 213 new foreign-funded projects were established in Kunshan, an increase of 6% year-on-year, and the actual use of foreign capital was 1.54 billion US dollars, an increase of 39.5% year-on-year. For Kunshan and enterprises, this is a fruitful result of two-way progress and mutual achievement.

Kunshan is a big foreign trade city and needs to have greater responsibility and action. Kunshan will take more hard-hitting and practical measures to fight for "order + market", focus on breaking through "project + business", continue to improve "service + policy", and firmly stabilize the basic foreign trade market.

BYD-Qin

Subsidized selling price: 14.99-22.51 million.

One disadvantage of the owner: the cab may have a little poor head space, and the co-driver and rear row are sufficient. The trunk lost some space because of the battery. Generally speaking, the trunk is usually enough if you don’t travel far. In addition, I personally think that although Qin is rich in configuration and hardware is in place, there is still some room for optimization in software functions. In addition, battery balance should be improved.

The second disadvantage of the owner: the engine noise is really a bit loud. When the battery is too low, the engine will automatically charge the battery. The speed is high and low, and the vibration is obvious. The engine noise is very loud, and the car will become very fleshy, without power, and the accelerator will start very slowly. However, this can be avoided. Try not to wait until the power is running out. It is recommended to turn on the hybrid when the power is lower than 50-30%. Of course, if it is coming home soon, it naturally doesn’t matter.

The owner’s three shortcomings: I really can’t say that there is no electricity to start, and the trunk is really small. If only the battery could be installed on the chassis like Tang, and the internal space is not very large. A 4.7-meter car should not have a small interior. I heard that the interior will be changed to a soft interior in 15 years. If only it could be changed for free.

Four disadvantages of the owner: the trunk has a small space because of the battery pack. The rear seat space is also cramped. But I am mainly in the driving position and feel comfortable. There is also charging, and there must be a convenient charging place. There is also a camera with low pixels and poor interior materials, which I hope to improve.

The owner’s five shortcomings: Qin’s shortcomings are that in the case of electricity, the noise is large, the vibration is obvious, and the low-speed power performance is very weak. At this time, Qin is not as good as an 80,000. So, don’t let your Qin have no electricity.

The owner’s six shortcomings: too comfortable steering, lack of road sense, more fragmented vibration of the chassis, power completely above the chassis limit, intense driving, ordinary workmanship, more complicated instruments and multimedia menus need a certain adaptation time, and the rear compartment is small.

Owner’s Seven Disadvantages: The disadvantage is that the LED bulb of the rear taillight is too big. I think the visual effect will be better if it is made into a light strip. Secondly, the trunk is small, and the sound insulation of the whole vehicle needs to be strengthened. If the sound insulation is good, it will be comfortable to drive. In hybrid mode, the sound insulation effect of the engine is not satisfactory. Others, by the way, the low beam has a lens, but why not a xenon lamp? At least it’s a 200,000 car. Haha, the position of the position light connected with the daytime running light has to be turned on manually every time during the day. I think this loses the meaning of the daytime running light, and it should be turned on automatically. When it is not needed, it is only reasonable. The indoor atmosphere light works well, but it is so big except for the lack of the welcome pedal. The first impression of opening the door is very important. The shiny BYD or Qin’s aluminum pedal should be much more upscale than a few plastic plates. The center console doesn’t have a one-button direct access to the main menu button. You have to press the steering wheel menu button three times to jump, which is sometimes not very convenient. Having said that, it’s not that the car is black, but I just hope BYD will do better and more perfect.

Owner’s Eight Disadvantages: On the day of delivery, the new car just went down a few meters, and the dashboard popped up. Please check the power system. The phenomenon is that you can’t switch EV mode, but you can only use HEV mode to start the vehicle. I thought it would be fine if the battery is not enough to charge, but the result is that you can’t charge. Fortunately, the engineer of Biya was called to check it with a detector, and the function was normal after eliminating two fault codes, saying that the system sometimes misreported. Although Qin’s configuration is very high and excellent in all aspects, due to a lot of electronic configurations, I think there is still room for optimization in the controller program. I believe that this is only the prelude to the great development of new energy, and it will present us with more perfect products and services.

Owner’s 9 Disadvantages: Qin’s interior materials and workmanship need to be strengthened. Compared with my previous car, which is also the interior of the domestic brand, it really needs to be improved. There is also a battery in the trunk, so the space in the trunk is limited. There is no way to do this.

Ten shortcomings of the owner: the trunk space is slightly smaller, but the household can make do! Hybrid fuel consumption is average, and the engine sound is slightly louder. I wonder if pure electricity is too quiet! The noise of the rear wheel passing through the gravel road is too loud. Contact to increase the sound insulation cotton of the rear wheel compartment! The black mirror of the central control door handle is too easy to scratch, and I have only mentioned it for half a month, which is terrible!

　　Einstein once said: "The most incomprehensible thing in the universe is that the universe is comprehensible!" Since ancient times, the beautiful and vast Milky Way in the night sky has triggered countless imaginations and brave explorations, from the Three Kingdoms period "Xinghan is brilliant, like out of it" to the Song Dynasty "The Milky Way is like three thousand songs, and the bathing mallard flying heron is green"… It has pinned the expectations and yearning of generations of people for the Milky Way.

　　"Upturned" Milky Way

　　With the advance of observation technology, astronomers can gaze at the galaxy they dream of, and people’s understanding of the true face of the Milky Way is constantly improving. At present, the Milky Way we know is a galaxy about 200,000 light-years in diameter, with a box-shaped "nuclear ball" in the middle, surrounded by a flat "silver disc", and a huge "silver halo" looming above and below the silver disc.

　　About 70 years ago, scientists have known that the Milky Way is "warped". The edge region on one side is curved "up" from the plane of the Milky Way to the north, and the other side is curved "down". From a distance, it looks like the potato chips we usually eat. That is to say, when we look at the Milky Way from the side, we can see that the Milky Way has a S-shaped "body" that is convex and backward.

　　However, for a long time, due to the limitations of observation conditions, scientists could not vividly present the "potato chip-like" structure of the Milky Way in front of us with real and accurate star observation data.

　　In 2019, scientists in our country, Chen Xiaodian and others, first outlined the three-dimensional spatial distribution characteristics of the warping structure of the Milky Way through star counting, which provided direct observational evidence for humans to truly observe the structure of the Milky Way’s "potato chips".

　　The Milky Way, as a typical disk galaxy in the vast universe, has both universality and particularity. Why is the Milky Way so "warped"? What is the secret to maintaining an S-shaped body? For a long time, there have been various opinions and assumptions in the astronomical community, and it has become a hot topic of discussion among international astronomers.

Figure 2. Warp diagram of galaxy ESO 510-13, with tilting features at both left and right ends (Source: STScl/NASA)

　　"Upward" foresight

　　Some people think that the interaction between the Milky Way’s halo and the disk can produce a "warp structure"; some people think that gas falling into the Milky Way disk can give rise to a "warp structure" of the Milky Way disk; some people think that the Magellanic Cloud at the doorstep of the Milky Way or the collision of the neighboring Sagittarius galaxy is also a possibility; there is even a view that the Milky Way’s magnetic field also plays an important role in the formation of the "potato chip" structure and so on. For a long time, there have been new breakthroughs in the research on the source of warping, but it is difficult to reach a consensus.

　　Scientific theories need to be confirmed step by step by the measured data, and the ESA Gaia Survey presents an opportunity. Because the Gaia satellite can help us make unprecedented measurements of the three-dimensional speed of stars, astronomers use this new data to study and discuss warping increasingly.

　　In order to make it easier to understand, astrophysicists start from the macroscopic direction and simply classify the formation mechanism of the "potato chip" shape of the Milky Way disk into two categories:

　　The first type of reason is due to external attraction and influence, due to the attractive force process between the Milky Way disk and the surrounding non-luminous matter or the outer dwarf galaxy. Simply put, our Milky Way disk is like a star full of "idol baggage", attracting each other with the surrounding fans, and the "concave shape" has concave such a graceful figure.

　　The second type is considered to be a long-term evolution process that is not dominated by the interaction of attractive forces, and is simply called a non-attractive force process. For example, the influence of gas falling around the silver disk or magnetic field action caused the silver disk to be so "warped".

　　New knowledge of "warping"

　　If the second cause causes the "warp structure" of the galaxy, it is characterized by the bending strength of the young star family on the silver disk than that of the old star family. This is because if the non-attractive force process dominates, then the mechanism mainly acts on gas or young stars, and the old star has enough time to digest the influence of the external non-attractive force process on it, thus reflecting the distribution of bending strength of different stellar families that can be detected by humans.

　　Although we can use the massive data of the Gaia satellite to explore this, it currently measures the velocity of the star line of sight in a small range, and it cannot provide ideal star chemical information, age information, etc. Even the distance measurement of stars farther away from the galactic disk is not accurate enough.

　　Fortunately, our country’s major scientific and technological infrastructure, the Guo Shoujing Telescope (LAMOST), can better solve these shortcomings, and also provide us with an excellent opportunity to explore the origin of the galactic "warp" structure and inquire about its past, present and historical context.

Figure 3. LAMOST Telescope and the Milky Way (Source: Yuan Fengfang)

　　The international research team led by Wang Haifeng, a special young researcher of LAMOST, based on the rich information of stellar parameters in the LAMOST sky survey spectral data, cleverly constructed a probability distribution function, and traced the characteristics of the silver plate "potato chips" from a novel perspective.

　　They found that the bending strength of the "potato chip" form of the Milky Way disk decreases with the age of the star, and such a "warped" body can be maintained for a long time, but it is an unstable state. Based on scientific analysis, they reliably found evidence that the warped structure originated from a non-attractive force process represented by gas falling. Therefore, based on the advantages of LAMOST, the researchers found that the "warped" of the Milky Way disk is actually a structure that originated from a non-attractive force physical process and has been in an unstable state for a long time.

Evolution of galactic warping intensity, which decreases significantly with age, supports the conclusion that warping originates from non-attractive force processes

　　This discovery advances our understanding of the origin of warping and takes a whole new step towards understanding the warping and origin of the Milky Way’s disk.

　　In the future, the research team will make more efforts in terms of data and physics, gradually realizing the ideal of obtaining a complete physical image of the Milky Way, and then opening one mysterious and unknown door after another to restore the evolutionary history of the Milky Way and even the nearby universe.

　　About the author: Wang Haifeng, a postdoctoral fellow at the Southwest China Institute of Astronomy, Yunnan University, a distinguished young researcher at the Chinese Academy of Sciences LAMOST, and a Ph.D. in astrophysics at the National Astronomical Observatory of the Chinese Academy of Sciences. Research areas: chemical dynamics structure of the Milky Way, time-domain stellar physics, astronomical big data processing and analysis, etc.; Li Shuang, an engineer at the National Astronomical Observatory of the Chinese Academy of Sciences, is the publicity director of the LAMOST Operation and Development Center.