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Ningbo Winson Machinery Products Co., Ltd is professional ISO9001 certificated Mchinery Products manufacturer, Located in China Ningbo, Specialize in custom manufacturing all kinds of gas springs, hydraulic dampers, Precision CNC Turning, CNC Milling and all machining services, Sheet Metal Stamping, Tube Frames Fabricating, Plastic Injection Molding & Plastic Extrusion.

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.

Ganzhou Huanyou Spring Co., Ltd. Was founded in 1969 and has now passed the ISO 9001 quality management system certification. It is a director of the China Elastic Installation Committee; A member of the Spring Professional Association of China General Spare Parts Association; A member of the China Spring Failure Analysis Committee; And a member of the China Spring Standardization Technical Committee. Our company has a professional production history of more than 50 years, advanced production equipment, and rich production experience. It is a comprehensive high-tech spring production enterprise integrating professional manufacturing, research and development and sales. There are 6 engineering and technical personnel, 2 spring engineers, and an annual production capacity of 5, 000 tons. The company specializes in the production of various mining machinery, engineering machinery, automobiles, railways, power chemicals, and civil small commodities supporting cylindrical compression springs, torsion springs, tensile springs and special springs with a steel wire diameter of 0.2mm~80mm.

Ningbo Yinzhou Bote Spring Electrical Appliance Factory is located in the beautiful and rich East China Sea coast - Ningbo Yunlong town, surrounded by beautiful environment, pleasant weather, old times, convenient transportation. Near Ring Expressway, Hangzhou-Ningbo Expressway and Xiao Yong Railway, west of Ningbo Lishe International Airport, adjacent to Beilun Port and strategic location.

Since its establishment in 2009, Changzhou Juqiang Spring Co., Ltd. Has been dedicated to the research, development, production, and sales of spring products. Leveraging its full industrial chain integration capability and its pragmatic positioning as a MID-sized manufacturing enterprise, the company has gradually evolved into a precision spring solution provider serving a wide range of industries including automotive, electronics, medical, and smart home sectors. <br/><br/>Driven by independent innovation, Juqiang Spring has built a comprehensive product matrix covering tension springs, compression springs, torsion springs, spiral springs, spring plates, wire-formed parts, copper and aluminum components, and mesh panels. All products support customized development to meet clients' stringent requirements in terms of dimensional accuracy, mechanical properties, and special working conditions. <br/><br/>With a technical team boasting over 10 years of experience, the company continuously optimizes material formulas and processing techniques. It has also implemented a MES (Manufacturing Execution System) to digitize and control the entire production process, ensuring a rapid response from prototyping (3-5 days) to small and medium batch deliveries (7-15 days). <br/><br/>Currently, the company operates two automated production lines and is equipped with advanced machines such as high-speed compression spring formers and laser straightening machines. Its annual production capacity reaches 120 million pieces. All products are certified under the ISO 9001 Quality Management System and comply with RoHS environmental standards, serving clients across North America, Europe, Asia, and Australia. <br/><br/>To address diverse industry demands, Juqiang Spring offers tailored solutions and maintains an inventory of over 500 standard models, supporting emergency orders starting from just 10 pieces with fast delivery. <br/><br/>Looking ahead, Juqiang Spring will continue to deepen its innovation in manufacturing processes and expand its global presence. Upholding the philosophy of "technology as the foundation, service as the core, " the company is committed to helping clients meet the challenges of precision manufacturing and providing cost-effective spring solutions for emerging markets such as industrial automation, new energy, and robotics.

Ningbo Shuangshen Electronics Co., Ltd. - Professional Supplier of Electronic & Hardware SolutionsAs a professional factory with rich industry experience, we specialise in R&D and production of electronic components, low-voltage electrical appliances, low-voltage components, electronic products and hardware parts. Meanwhile, we are equipped with capabilities in mould design & manufacturing, as well as full-set manufacturing and processing of electronic & electrical equipment, providing customers with one-stop services from custom development to mass production. Solid Strength & Reliable Production CapacityCovering an area of 5.3 mu (about 3, 533 square meters) with a 7, 500-square-meter standardised workshop, our factory is equipped with advanced equipment including 2 high-precision high-speed punch presses, 10 machining centres, 5 grinders, 3 milling & drilling machines, 5 injection moulding machines and 5 CNC wire cutting machines. These form an efficient and stable production system, ensuring product precision and delivery efficiency. Professional Team & Strict Quality ControlOur 150 employees form a professional team to guarantee quality and production: 15 technical R&D personnel are dedicated to innovation; 27 quality management/inspection personnel oversee the entire quality control process; 15 production managers (including PMC) coordinate production flows, providing strong support for product quality and order fulfilment. Guided by Philosophy & Committed to ResponsibilitiesAdhering to the development philosophy of "Pioneering Innovation, Continuous Progress" and the quality policy of "Pursuing Perfect Quality to Meet Customers' Needs and Expectations", we are always committed to building a growth platform for employees, creating core values for customers, and fulfilling corporate responsibilities for society. Strategic Location & Convenient LogisticsLocated in Dongwu Town, Yinzhou District, Ningbo City, Zhejiang Province, we enjoy excellent transportation: 36 km from the airport, 30 km from the high-speed railway station, and only 20 km from Ningbo Port (Beilun Port) Wharf. The well-developed sea, land and air transportation network facilitates raw material procurement and global product distribution.  

Ningbo Tengyuan Machinery Manufacturing Co., Ltd. is a professional manufacturer specializing in the design, development, and production of trailer towing parts and suspension systems.

For the last couple of years we focus only on one thing: How to make our springs work better. We think, we design, we apply different kind of accessories to your equipment. We also have a design house jointly invested by our group.  manufacturers with very different competent and manufacturing process, we have come up with more than 1000 designs covering most of the mainstream springs. We offer our design and manufacture with competitive manufacturing process cost to support brands with attitudes and styles. Come talk to us. Our company offers variety of springs 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.

DOFO Spring Story

Jiangsu Roadfit Auto Parts Co., Ltd is located in Economic Development Zone of Sihong County Jiangsu Province, which is developing rapidly and has convenient transportation. It is very convenient to ship from Lianyungang Port, Ningbo Port and Shanghai Port. The company is a auto shock absorber producing enterprises and professional on research, design, development and manufacturing. Now the total land area is 100 mu and the workshop building area is 30, 000 square meters. The company has Stamping Parts, Piston Rod Manufactuer And has excellent production equipment, strong technical force, advanced technology, complete testing equipment, perfect quality inspection, rich production experience and perfect quality management system, and enjoys a high reputation in the automotive industry. The company has obtained ISOTS169492002, ISO 9001, CE and other quality system certification. Relying on independent research and development, the company has the core technology of manufacturing method, production technology and quality inspection of shock absorber products. It has 13 national patented technologies. The company has the right to import and export by itself. Its products are exported to the United States, South America, Europe, Southeast Asia, Middle East, Africa and other countries and regions. We are willing to work closely with customers to create brilliance with our excellent quality, exquisite technology, advanced arts and crafts, reasonable price and first-class service.

Hebei Chaopu Machinery Manufacturing Co., Ltd.

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.

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

Wuxi Ingks being a Chinese manufacturer we offer you a wide range of specialized metal pins. Ingks have engaged in customized metal parts fields for more than 10 years combining research, development, production, sales and service. Our main products include: Cotter pins, clevis pins, D/O type lock pins, Quick release pins, Indexing plungers, Spring plunger, ect. The materials we mainly use are stainless steel series such as stainless steel 303, 304, 316 and so on. Sometimes carbon steel series materials are also used in response to product structure requirements. Ingks adheres to the concept of providing customers with a total solution including products and support, and has successfully achieved many well-known manufacturers (such as the United States, Canada, United Kingdom, Spain, Germany, France, South Korea, Japan, India, etc. ) Partnership. Our quality and service have been unanimously recognized. Therefore, the goal of Ingks is to benefit from it while providing quality products and services.

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.

Master Well Enterprise Limited, is a truly corporation specializing in Doors & Windows Automatic System. Our main products: Sectional Garage Door, Rolling door, Roller Shutter, Industrial door, Security Door, Rolling Shutters, kinds of door accessories, garage door opener, tubular motor, sliding gate opener, swing gate opener, gate barrier, etc.

BNE Harvest Tech Ltd. specializes in producing and engineering for all kinds of switches, metal part you are looking for.

Guangdong Gaoyao Jinhuida Hardware Products Co., Ltd. It is an enterprise specializing in designing and producing floor spring, patch fitting, door handle, glass door lock, door closer, shower hinge, hanging wheel friction stay hinge, window handle, etc architectural hardware. Gaoyao Jinhuida Hardware Products Co., Ltd already in this industry for 20 years. We are our brand ADO, MXF, JianLai own brand.

Wenzhou Jiangdun Metal Co., Ltd. Has profound technical capabilities and can meet various needs of customers. Over the years, with its high-level and high-quality R & D team, advanced production technology, sophisticated processing equipment, precise testing instruments, perfect quality management system, excellent staff quality, cost-effective product prices and perfect after-sales service system, Wenzhou Jiangdun Metal Co., Ltd. Has established a good corporate image of "high reputation, fine quality, fast delivery and good service" in the hearts of customers, won the trust and support of new and old customers, and maintained long-term cooperation with some customers with high-quality needs.

Changzhou Longxiang Gas Spring Co., Ltd. Supplies a full range of high quality compression gas springs, locking gas springs, tension gas spring, stainless steel gas springs, dampers. Our factory is located in Wujin District, Changzhou City, Jiang Su Province, China, Nearby Shanghai.

Qingdao Everlasting Auto Parts Co., Ltd. Was founded in 2018.

Welcome to Epman Racing Parts Co., Ltd. Epman is a manufacturer of Performance and OEM products servicing the most popular import, domestic and light truck after market segments.

Ever Rich Gift Limited Specialized in Gifts and Premiums with Very Good Record in past 16 Years. We Supply Medal, Lapel Pin, Badge, Key Chain, Lanyard, PVC Products, Silicone Wristband, And They Are Widely Use at the Events of Festival, Celebration, Games, Party, School, Police, Military Department etc.

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.

AS a gas spring manufacturing factory, we take the pride that we have been serving our clients home and abroad for 22 years. We are located in Jiangyin City, Jiangsu Province, , with a very convenient and efficient traffic to Shanghai.

HAIDA DOOR CONTROL, which was established in 1987, the main products include floor spring, door closer and automatic door systems. Now HAIDA is the biggest manufacturer and the first corporation in domestic floor spring field.

Shenzhen Fulimei Technology Co., Ltd. Specializes in manufacturing high-precision metal parts, fully customized according to customer drawings and samples. Our product categories include CNC parts, NC parts, lathe parts, stamping parts, fasteners, and other precision metal accessories.

Anhui Liteduro Technology Co., Ltd. is a professional designer and manufacturer of Bicycle Frame/Fork in China on OEM and ODM basis for many years. We offer custom bicycle frame and forks according to customer's requirements. Our company operate under ISO9000 quality system, and have passed critical inspection rules of environmental proctional under government every year. We have five production lines with TIG welding and Smooth Welding technology, in-house T4/T6 Heat Treatment Ovens, In-House Painting Line. We have own testing laboratory for fatigue, pull and other tests under ISO4210 quality standard.

Qingdao Century Hengyuan Machinery Co., Ltd. is a powerful company engaged in different fields of mechanical parts manufacturing.

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.