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Qingdao Shiji Pinyang Machinery: Precision Manufacturing Excellence

DOFO Spring Story

Founded in 2010, Sokun is a leading OEM fastener manufacturing, plating/finishing, and industrial production company. We are dedicated to providing high-quality fasteners at competitive prices to customers worldwide. With over 11 years of experience in manufacturing a full range of fasteners-including stainless steel, galvanized, and zinc options-we combine industry expertise with state-of-the-art facilities to deliver products that exceed customer expectations. Sokun is equipped with an R&D department, an in-house design team, and a warehouse stocking location, ensuring we can meet your demands efficiently.

Xiamen HongSheng Hardware Spring Co., Ltd is a growing manufacturer, in terms of stamping part, spring, wire forming, and other metal components in past 17years. We insist on doing what is our professional, what is our best to make sure our customer experience the best service. As an OEMs provider, our products have been widely used in various industries, such as Medical, Automotive, Electronic, Machinery etc,

Yangzhou MingFeng spring Co., Ltd., founded in 1986, 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

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.

Wenzhou Heli Spring Manufacturing Co., Ltd. Was founded in 1992. It is a high-quality spring manufacturing enterprise integrating design, production, sales and service. The existing standard factory building is more than 8, 000 square meters. With more than 20 years of accumulation and precipitation in the field of spring manufacturing, Heli Spring is committed to helping customers from all walks of life meet current and future social needs. In order to actively expand domestic and foreign markets, accelerate industrial upgrading and product structure adjustment, Kunshan Heli Spring Manufacturing Co., Ltd. Was founded in Kunshan, Jiangsu in 2005. It covers a total area of 40 acres and stands out in the fierce market competition. Heli Spring insists on high-standard and strict talent training and team building, which injects vigorous impetus into the steady progress of the enterprise. In the face of increasingly fierce competition in the market, Heli Spring integrates technological innovation into traditional manufacturing, and through cooperation with demanding large-scale enterprises, it continues to innovate manufacturing technology, research and improve existing product equipment. We have more than 150 modern spring production equipment and testing equipment such as advanced CNC spring coiling machines, spring grinding machines, heat treatment furnaces, etc., to meet the market's highest requirements for the functionality, reliability and safety of spring products. Heli Spring has passed the ISO9001 quality system certification since 2008. In December 2017, the company successfully passed the IATF16949 automotive quality management system certification. The company has successively won many honors such as "Star Enterprise", "Industry Advanced Enterprise", "Zhejiang Science and Technology Enterprise", and was rated as "National High-tech Enterprise". The current products include: Low-voltage electrical springs, high-voltage electrical springs, pneumatic springs, Extension springs, auto parts springs, wire forming springs and cage springs, etc. Looking to the future, Wenzhou Heli Spring Manufacturing Co., Ltd. Will base itself on domestic users, expand the international market, and wholeheartedly provide customers with high-quality springs of stable and reliable quality. With leading technical standards, excellent product quality, and whole-process integrated service concept, we will win The market has won the high trust of customers! Continuous development of the enterprise spirit of creating the future with win-win cooperation! Contribute to the revitalization of national industry.

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

AOTELEC is a leading enterprise with many years of experience in the field of lithium batteries, focusing on the research and development, production and sales of lithium battery materials and equipment. As a leader in the industry, we have a research and development team composed of industry experts and technical elites, constantly breaking through technical barriers, innovative product performance, and committed to providing customers with the best quality lithium battery solutions.

Hebei Ruibo Import&Export Trading Co., Ltd founded in 2016, located in Tangshan, Hebei province. It lies in the center of Beijing, Tianjin and Tangshan with a very convinent communication. Our main products include: Coil spring, Filters, Brake pads, shock absorber. Based on the high quality and considerate service, our products have set up a prominent brand image in markets at home and abroad.

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.

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.

Dongzheng(HSM) Spring Machinery Co., Ltd. is a professional manufacturer of CNC spring machines, established in 2004 in Dongguan, Guangdong, China. With 22 years of manufacturing experience, we specialize in producing cam spring machines, camless spring machines, and specialty wire forming machines.

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.

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.

Dongguan Weihui Hardware Spring Products Co., Ltd. Was founded in 2006, which is an OEM&ODM manufacturer combined factory specializing in the production of various springs more than 15 years. Our main products included constant force springs, power springspiral spring, spring clips, wire forming, garage door springs, Pilates springs, compression springs, extension springs, torsion springs, stamping parts, etc. And our products are exported to many countries in Europe, North America and Asia.

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

Fuzhou Futeng Spring Co., Ltd was founded in 1990, with a set of domestic advanced automatic production and testing and a group of comprehensive technology, skilled scientific researchers and workers. The company won the title of "High-tech Enterprise" issued by the state in 2023, and is a high-tech enterprise that integrates research and development design, production and manufacturing, and foreign trade export.

Dongguan Hongyi Hardware Products Co., Ltd. Was established in 2008 and located in Dongguan City, Guangdong Province, enjoying convenient transportation and beautiful environment. We are a professional manufacturer engaged in research, development, production, sales of metal stamping parts, CNC machining and milling parts and springs. Our company covers an area of 1500 square meters and has about 50 employees. Our company has rich experience in the metal hardware manufacturing industry.

Zhongshan Baishun Hardware Manufacturing Co., Ltd.

Dongguan Yu Biao Hardware Co., Ltd founded in 2003, mainly engaged in custom metal hardware design and manufacturing.

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.

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.

Xiamen Vigor Technology Co., Ltd. is a professional supplier for various kinds of facade fixing anchors & construction anchors, shutter door and garage door springs & door accessories, which are widely used for wall cladding projects and other construction works, as well as shutter door & garage door installation works.

Kingrail Parts is one of China's most professional railway wheel manufacturers. We produce railway wheels of various sizes for high-speed trains, freight trains, subways, locomotives, passenger trains, and rail vehicles.

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.

Farview Spring is a subsidiary of Farview International specializing in the production of various hot roll and cold roll springs. It was established in 2008. The company is located in Cangzhou City, Hebei Province, only 150 kilometers away from Tianjin Port.

SinoBlong Machinery Co. Ltd. located in Qingdao, the third largest seaport of China. We are specialized in different kinds of OEM customized metal parts with more than 14 years exporting and production experience.

Hand Industrial Co., Ltd is established in 2010, and one professional manufacturer and supplier of stainless steel hardwares.