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Zhuji Bosswinn Springs Co., Ltd. is situated in the West-Suburb Industrial Zone of Zhuji City. Its subsidiary, Zhuji Lida Spring Factory, was founded in 1992. Subsequently, Zhuji Bosswinn Springs Co., Ltd. And Zhuji Bosswinn Precision Machinery Co., Ltd. Were established. Together, these three entities possess registered assets amounting to 31.25 million yuan and occupy factory premises spanning over 9, 000 square meters. The primary business scope has evolved from the initial production of springs to encompass the manufacturing of metal stamping parts and CNC precision parts machining.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Xiamen Lahoo Auto Parts Co., Ltd. is a leading manufacturer of high-quality automotive components based in Xiamen, China. Guided by the principle of "Quality First, Service Foremost, " we integrate R&D, production, sales, and after-sales services to deliver specialized solutions for semi-trailers, agricultural trailers, RVs, boat trailers, and chassis components. Our core products include axles, leaf springs, suspension systems, wheels, towing systems, and brake parts, all ISO/TS16949-certified and exported to over 20 countries worldwide.

Chongqing XinRail Technology Co., Ltd. is a leading enterprise specializing in the railway and rail transit sectors, with a focus on providing comprehensive solutions for railway components and accessories. Established in 1999 and headquartered in Chongqing, China, the company has rapidly become a significant player in the international rail transit industry.

ZIBO JIZHOU INDUSTRY AND TRADING Co., Ltd is located in the forge center of Shandong province, where is 2 hours by car to Qingdao port. JIZHOU invested talents and funds to setup a professional team who serve to customers all over the world. JZ brand auto parts is founded with aim of forming a business chamber which brings together manufacturers of semi-trailer parts including axle system, suspension system, etc.

Our company specializes in the trailer parts sector, offering a wide range of trailer components in various specifications. Our product lineup covers all types of core components and auxiliary parts, comprehensively meeting our customers' diverse and customized procurement needs. We eagerly await your inquiries and are committed to responding promptly with efficient, professional service, providing you with accurate quotes and detailed product descriptions.

Land was established in 1974 to develop and manufacture casting parts. We further developed its expertise not only in casting parts, but also in kinds of trailer parts, from 2004 sold internationally through an ever growing network of quality dealers. By the year of 2007, our company start producing semi trailer as the technology matures. New technology casting production line put in use from 2013.

Shandong north autotech co.Ltd is a modern enterprise specializing in the research and development and supply of core components for trailer chassis.We are always adhered to the core mission of "providing one-stop chassis solutions for the global trailer manufacturing and modification fields".With a rich product matrix, precise market positioning and reliable quality assurance, become a highly competitive supplier of trailer chassis components in the industry.In the core product field of axles, the company has established a product system covering the full load range from 3, 500K to 15, 000K, which can not only meet the flexible demands of light trailers but also adapt to the high-intensity operation scenarios of heavy trailers, comprehensively covering multiple fields such as agriculture, logistics, outdoor leisure, and engineering transportation.To achieve the service goal of "one-stop matching of trailer chassis", the company has further expanded a complete supporting product system beyond its core axle products, covering the key components required for the operation of trailer chassis.Among them, the landing jacks series includes manual jacks and electric jacks, featuring strong load-bearing capacity and smooth lifting, providing solid support for the parking and loading/unloading of trailers.Hardware products include high-strength u-bolts, connecting pins, fastening kits, etc., all of which are processed from high-hardness steel to meet the connection requirements of various chassis components and ensure structural stability.The design of leaf spring products enhances load-bearing capacity, making them suitable for heavy-duty freight trailers and engineering equipment trailers, and effectively disperses the pressure on the chassis.The trailer mover is specially designed for the movement of trailers in confined spaces.It is easy to operate and has a strong load-bearing capacity, solving the problems of trailer parking and dispatching.The guide wheel series includes heavy-duty swivel wheels and directional wheels, which are suitable for the bottom support and movement requirements of trailers, enhancing the flexibility of use.In addition, the company has also launched supporting products such as vehicle-mounted refrigerators and air conditioners for scenarios like outdoor camping and long-distance transportation, to meet the expansion of trailer functions and users' comfort needs.Since its establishment, the company has always adhered to the business philosophy of "high-quality one-stop service", and has established a strict quality control system for all products - from the raw material procurement link to the production and processing process, precision machining equipment and standardized processes are adopted.Before the finished products leave the factory, multi-dimensional tests such as load tests, weather resistance tests, and performance simulation tests are conducted to ensure that each product meets industry quality standards and customer usage requirements.In the future, shandong north autotech co.Ltd will constantly optimize the product system and service capabilities, and enhance the technological content of core products and the richness of supporting products.We are committed to providing global customers with more efficient, convenient and reliable one-stop solutions for trailer chassis, and promoting the high-quality development of the trailer manufacturing and modification industry.

Our company is a professional manufacturer of parts of semi-trailers, trailers and trucks in China. We mainly specialize in producing brake valves, relay valves, brake cylinders, coupling heads, electric couplers and hand brake valves. In our domestic market, we supply our products to CIMC Group, which is a very famous semi-trailer factory. Our products are famous in aftermarket. We also export our goods to Europe, South America, South Africa and Southeast Asia and have gained a good reputation from these countries and regions. We have passed ISO9001: 2000 certificate and have set up unified technical and testing standards. Our products have passed strict quality control. At the same time, we have enlarged our factory scale and have improved our production ability. You are very welcomed to visit our factory. We will be very grateful if we receive your suggestions or inquiries. We pay attention to any of your requirements. We believe we will have more development by our good cooperation.

Henan HTD Industrial Co., Ltd. is located in Zhengzhou City, Henan Province, with superior geographical location, convenient transportation and developed logistics. The company focuses on the sales and after-sales of commercial vehicle parts. We are professional agents for the sales of world-renowned brands such as Knorr-Bremse, Wabco, ZF, Voith, etc. The company has successfully exported to more than 30 countries and regions including the United States, France, Russia, Poland, the Netherlands, Indonesia, and the Philippines.

Henan Meizhichen Trading Co., Ltd. is one of the manufacturers and suppliers of truck and bus braking systems, EBS systems, ECAS, and ABS. We specialize in providing after-sales service for buses and trucks, providing OEM quality parts for all truck and bus parts worldwide (including EBS systems, ECAS systems, ABS systems, ELC systems, braking systems, suspension systems, engine systems). Provide you with the original product

Steel is the mother of industry, the eternal sunrise industry. We Qingdao Guardx Industry Co Ltd Committed to modern industrial construction decdes become an expert in this area. Our business scope including auto, truck, railway equipment and heavy equipment, also for residential construction parts. We are steel guard also we are your business Guardx.

Shandong UT Trailer Parts Co., Ltd. is an integrated company of production/industry and trade. It was established in the year 2001 and covers an area of about 30, 000 square meters. Our headquarter is located in Jinan City, Shandong Province.

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Ningbo Tower Machinery Co., Ltd is a group of manufacturing established in 2006, offering one-stop solution for quality mechanical products with total lower cost in China.

Yangzhou Baijia Spring Manufacturing Co., Ltd., founded in 2005, is specialized in the production of spring, located in the beautiful, historical and cultural city - yangzhou, water, land and air transportation is convenient, the geographical position is superior

Jiangmen Max Springs Metal Products Co., Ltd is specialized in the production of technical springs and spring products made of different types of material. From heat resistant to acid sensitive: Everything is possible with us. We are based in Jiangmen, Guangdong, China, and is also active worldwide.

Shandong Jieyu Engineering Machinery Co., Ltd. Specializes in the global supply of engineering machinery parts. By adhering to quality and providing professional services, it has established a good reputation in the market.

As a professional manufacturer for air brake system components, Hangzhou LOZO Machinery Co., Ltd is located in Hangzhou, China, specializing in researching and manufacturing heavy duty parts for trucks & trailers. Most products are distributed both in domestic and overseas markets, such as America, Europe, Japan, and Korea, etc...

Shandong Yuncheng Xinya trailer manufacturing Co, Ltd. was established in June 2010. It covers an area of more than 107000m2 and has more than 300 employees. It is registered enterprise in the Ministry of Industry & Information system.

Since its inception, the company has always adhered to the business philosophy of "quality as the foundation, innovation as the soul, " and has assembled a research and development team composed of senior engineers and technical experts in the industry. The team closely follows the technological development trends in the commercial vehicle industry, integrating advanced manufacturing processes and intelligent technologies to continuously iterate and upgrade its two core product lines: Dump trucks and tractor trucks.

Shandong JuTong Automobile Technology Manufacturing Co., Ltd. Was established in 2002. The company specializes in manufacturing semi-trailers, trailers, tractors, tank trucks, low-bed trailers, and curtain-type semi-trailers. It is exported to 67 countries around the world, mainly selling in Australia, Sales in Russia, Africa, Europe and the world have been praised by customers from all walks of life and highly recognized by customers.

Xingtai City CheQiao Seals Co., Ltd. Was established in 2005, It's a manufacturer that produce trucks parts, trailers parts, hub cap, bushing, oil seal, repair kit, dust cover and engine mounting.

HangZhou XiaoShan JiangShan Auto Parts Factory is the large enterprise that Belong to Zhe Jiang Guantong Bearing Co., Ltd., specializes in R& D and manufacturing auto parts since 1997. The company locates in HangZhou city, the famous city with long history and rich culture in Zhejiang province of China.

Yongkang Modou Vehicle Co., Ltd.: Your ATV and go kart business partner

Zhaoyeeda Metal Products Co., Ltd. Was established in 2017 with an investment of RMB 20 million. The company is equipped with 50 CNC spring machines imported from Taiwan. In 2018, we obtained the IATF 16949 certification. In 2023, we invested in a new 4, 000-square-meter factory, more than doubling our production capacity.

We are production, management and research and development of the professional production of air spring integrated enterprise. Mainly used for saloon car series, truck series and bus series. Covers an area of up to 8, 000 square metres, have own modern production equipment, machining workshop, auto painting line auto welding machine and CNC drilling machine.

Shijiazhuang Glittler Technology Co., Ltd. Was formally established in Shijiazhuang in 2024. It is an international industrial and trade integrated enterprise specializing in the field of truck parts and trailer parts, and has rapidly emerged in the global trailer parts market.

Professional Spring Manufacturer: Custom Solutions for Diverse Industries