bolts spring3,000+ factories verified

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.

Cixi Zhouxiang Huifeng Spring Factory is a manufacturer specializing in the production of springs. It was established in 2015. The factory is located in Cixi City, Ningbo, Zhejiang, China. It has a factory area of 1, 500 square meters and has multiple automated production equipment. It is a factory integrating production and research and development. It mainly produces common Compression springs, torsion springs, tension springs, butterfly springs, special-shaped springs, mold springs, etc...The raw materials are all made of steel with good elasticity and toughness. They go through cutting, flattening, heating and rolling, quenching, tempering and other processes. During the production process, we focus on automation and high precision, and strictly control the quality to ensure stable product quality...Our products are widely used in automobiles, motorcycles, motorcycles, aerospace, light industry, petrochemicals, electronics and electrical, household appliances, medical machinery and other fields. We have provided services to many customers in North America, Europe, Oceania and the Middle East. Our quality and fast delivery are praised by many of our  customers  which saved them considerable manufacturing costs. Our company passed ISO9001: 2015 international quality management system certification,  Welcome all new and old customers to consult.

DOFO Spring Story

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

Qingdao Shiji Pinyang Machinery: Precision Manufacturing Excellence

About Us

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.

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.

Yangzhou Hongniu Import and Export Co., Ltd. is an integrated enterprise specializing in both industry and trade. With over 20 years of experience in the industry, the factory ranks among the top ten in China for standard parts and non-standard hardware processing. The company's main business includes automotive parts, standard parts, non-standard parts, hydraulic components, pressure pipeline elements, mechanical production, sales, and metal heat treatment. It primarily serves industries such as auto parts, metallurgy, shipbuilding, heavy industry, agricultural machinery, and furniture. The factory provides integrated services for research and development, design, production, inspection, and after-sales service. It is equipped with various processing equipment, machining centers, heat treatment equipment, cold heading machines, gear hobbing machines, and other equipment. For over 20 years, the factory has adhered to the principle of putting product quality and service first. It holds certifications such as IATF16949, GB/T24001-2016, ISO14001-2015, GB/TS45001-2020, among others.

Hebei Chaopu Machinery Manufacturing Co., Ltd. is a professional manufacturer specializing in the research, development, production, and sales of gas springs and motion control products. Established in 2002, our company is located in Xingtai City, Hebei Province, China. With more than 20 years of manufacturing experience, we have become a reliable supplier for customers in the automotive, agricultural, industrial, furniture, and equipment manufacturing industries.

Company Profile

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 dThe o 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.

Shandong Yahua Machinery Manufacturing Co., Ltd. Specializes in the production of semi-trailer parts, making transportation safer and more efficient.

Wenzhou Cungang a professional manufacturer of high quality precision components for molds, dies and machines, with about 7000 square meters covered area and over 200 specialized employees. We have a number of branches at domestic and overseas.

Qingdao CIERNE Mechanical Part founded in 2010, located in beautiful Laoshan disctrict. Our company mainly managed in spiral wound gaskets, PTFE gaskets, high temperature graphite gaskets, expanded PTFE gaskets, filled PTFE sheet, graphite sheet, Non sheet, disc spring, and other mechanical parts and valve, pump using gland packing.

Shandong Xiaocheng Auto Parts Co., Ltd. is a modern private enterprise engaged in the design, development and production of automobile leaf spring. The company has been operating for more than ten years, focusing on the production and development of the existing leaf spring 2 production lines (annual output of more than 30, 000 tons).

Invested by Qingdao Winka Electronics Co., Ltd, Qingdao Marink Enterprise Co., Ltd. is one of the leading manufacturers & suppliers for fasteners, automotive parts, plastic injections parts mainly for automotive industry and electronics industry. Meanwhile, we are exporting standard fasteners and custom-made components.

Zhengzhou Haishuo Auto Parts Co., Ltd. is located in Zhongmu County, Zhengzhou City, Henan Province, a key production and logistics hub for auto parts in China. The company integrates R&D, production, sales, and international trade, specializing in automotive suspension and chassis components.

Qingdao Chesturner International Trading Co., Ltd is a company specializing in exporting complete vehicle parts, including brake system components, sensor system components, and shock absorption parts. We offer products for former Soviet vehicle brands (including KAMAZ, URAL, KRAZ, MTZ, etc. ), Japanese and European brands, and can customize products according to your requirements.

Dongguan Gooduse (JINRI) Hardware parts Co., Ltd. Was founded in 2000, located at famous world manufacturing city --- Dongguan city. As a professional hardware manufacturer, we have our own R&D centre team, designers, production lines and marketing department. With Advanced manufacture equipments and excellent technical Team. Winning the good reputations by integrity, strong power and good quality. The company has passed ISO9001: 2015 quality management system certification, product meet RoHS, SGS, CE, CO, OEM, ODM requirements.

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.

Wenzhou Ideer Auto Parts Co., Ltd focus on Japanese, American and Korea car mould spare parts.

Dongguan Lihao Hardware Technology Co., Ltd. is a professional manufacturer of copper, aluminum, iron, stainless steel and other standard and non-standard screws.

Jundasheng Hardware Appliance Co., Ltd. Was founded in 2003, located in Baiyun District, Guangzhou, the company is a production, research and development, sales as one of the professional fastener production factory, home has many years of professional production experience. The products are made by multi-function mechanism, and the well-known enterprises at home and abroad are introduced. The products are fully in line with international standards and are well received by customers at home and abroad. Through scientific management, Jundasheng Hardware & Electrical Co., Ltd. Has obtained ISO9001 quality management system certification and SGS international certification system certification.

Shandong Zhida International Trading Co., Ltd., is a high-quality supplier of truck parts manufacturers in China. Located in Jinan, Shandong, China, it is the production base of China National Heavy Truck trucks and the distribution center of heavy truck parts. The models operated by the company include: SINOTRUK, SHACMAN, FAW, Weichai, etc.; Hot-selling products involve engine, gearbox, cab, axle, chassis, electrical appliances and other parts of the whole car. The sales scope covers more than a dozen countries in China, Russia, Southeast Asia, Central Asia, Africa and so on. We rely on a strong customer base to make us a local outstanding foreign trade enterprises.

Ningbo Harsco Machinery Co., Ltd is a professional manufacturer of steel wheels and trailer parts in Ningbo, Zhejiang Province, China since 2016.

Shandong Tongjia International Supply Chain Management Co., Ltd. Was established in 2003. In 2012, the company established its own brand WMDI, and in 2014, Perfect Power Parts Co., Ltd. We are engaged in the sales of heavy-duty trucks and truck parts, mainly covering China National Heavy Duty Truck HOWO series, Shakman, Foton, Jiefang, Dongfeng and other truck brands. From heavy-duty truck parts to complete vehicles and various types of engineering machinery vehicles, we have explored a brand-new foreign trade industry chain. Over the past 20 years, the company has always focused on the country's "Belt and Road" initiative, carefully planned the direction of corporate development, based in China and looking at the world. It has represented, accepted and managed the export business of nearly 100 companies, and its service scope covers Africa, the Middle East, Southeast Asia, South America, Central and Eastern Europe and other countries, providing strong support for the export of goods required for infrastructure construction such as road transportation, hydropower construction, health and sports, and has been widely praised by central and local enterprises such as China Construction and China Railway Corporation.

Jinan Belt-Way truck part Co., Ltd was established in 2008 by Mr Xu who have many years of truck parts factory experience.

WONDEE Autoparts is a professional semi-trailer and parts supplier with a history of more than 20 years.

Jinan Zhanze Auto Parts Co., Ltd. Specializes in the sale of automotive parts and has been deeply rooted in the industry for many years. We primarily deal in a full range of parts, including braking, chassis, electrical, and wear-and-tear components, covering DeLong, HOWO, Jiefang, and semi-trailer models. Our products are exported to Africa, the Middle East, Southeast Asia, Russia, and many other countries and regions worldwide. Through integrity, quality, and efficiency, we have earned long-term partnerships with overseas clients, helping to bring Chinese auto parts to the global market. We offer a wide variety of products to meet your diverse needs. Since our establishment, we have consistently adhered to the management principles of "Quality First, Customer First, and Reputation Above All, " and we spare no effort to fulfill our customers' potential needs. As the tide of economic globalization advances with unstoppable momentum, we sincerely hope to collaborate with enterprises worldwide to achieve mutual benefit and shared success.