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SANMA Fastener: API 20E Manufacturer High-Precision Fasteners & Quality Assurance

Handan Da Duo Carriage Bolt Manufacturing Factory was founded in 2003, and the "Daduo" trademark has been registered by the State Administration for Industry and Commerce. Under the leadership of the factory director, our technical workers, through unremitting efforts, the enterprise has grown from small to large, from few to many, from weak to strong, and now has an annual production capacity of more than 8, 000 tons. There are 30 sets of small, medium and large equipment. There are more than 60 employees, including 10 professional management and technical personnel from colleges and technical secondary schools. It mainly produces national standard, ordinary, high-strength, British, American, German, DIN603, DIN607, DIN608, Japanese and other carriage bolts, bridge wires, shelf wires, net wires, guardrail wires, plow tip wires, fishtail wires, hexagonal bolts, flange bolts and other special-shaped parts. The specifications range from 5mm-20mm, and the length ranges from 16mm-400mm. Complete specifications and rich categories. It is a backbone enterprise specializing in the production of carriage bolts in Handan and even Hebei. It mainly produces M6-M27 national standard, ordinary, high-strength, British, American, German, DIN603, DIN607, DIN608, Japanese and other carriage bolts, bridge wires, shelf wires, net wires, guardrail wires, plow point wires, fishtail wires, hexagonal bolts, flange bolts and other special-shaped parts. Our products are sold to major, medium and small cities across the country, and are also exported to Asia, North America, South America, Europe and other countries. For example: Russia, Kazakhstan, Brazil, Thailand, Myanmar, India, Australia, Mauritius, etc. Our products are of high quality, sincere reputation and high market share. And it is growing and developing at a higher and faster speed. Just like our "Da Duo" trademark, it has grown from small to large, from few to many, and is vigorous, full of energy, and strides forward. Our factory is committed to creating a "people-oriented" corporate core culture to attract more talented and ambitious people to join us. Create a "fair, just, open-minded, and friendly" working environment. Take "fast, accurate, and professional service" as the company's marketing strategy to meet the needs of new and old customers. Seize today and imagine the future. Our factory sincerely hopes to work hand in hand with our customers for common development.

Yibang Mechanical Technology (Handan) Company Limited established in2020, is a manufacturer specializing in the research and development, production, sales and service of fastener products. We are located in Cheng'an County, Handan City with convenienttransportation, Yibang Machinery Technology company covers an area of about75, 000 square meters, with a registered capital of 60 million yuan and 350employees. Committed to strict guality control and considerate customer servicecustomer satisfaction, Our company has introduced a series of professionalproduction and testing equipment to improve productivity and product qualityincluding multi station cold heading machine, heat treating equipment, metallographic microscope, universal testing machine and precision salt spraytesting machine...In addition, we have obtained SGS certificate.

With over 40 years of experience, Tagong is an expert in the manufacturing of standard fasteners and special fasteners. We specialize in the production of various standard and non-standard nuts, with an annual output of 30, 000 tons and sales exceeding 200 million.

Hebei Yunchang Fastener Manufacturing Company is one of the initiating enterprises of standard parts in Yongnian. With a total investment of more than 350 million yuan, it covers an area of over 86666.67 square meters. The factory area is located in the Yongnian Industrial Park, Hebei Province, and has an annual production capacity of 50, 000 tons. The company enjoys extremely convenient road and railway transportation, being adjacent to the Beijing-Guangzhou Railway, National Highway 107, and the Zhuhai Expressway. Moreover, it has strong technical strength and advanced equipment that surpasses its peers.

Ningbo yi pian hong fastener Co., Ltd, was established in the year 2001 and stands in a beautiful and rich coastal city: Ningbo. Ningbo is located on the south of the Yangtze River Delta, with the great Beilun Harbor in the east and Hangzhou Bay in the north; While it is near to Lishe Airport and Xiaoshan International Airport, Hangzhou-Ningbo Expressway passes by it: It enjoys convenient transportation.

Guangzhou Strong Metal Co., Ltd. Operates as the international trade department of Hebei Gaonuo New Energy Technology Co., Ltd. (hereinafter referred to as Gaonuo).

Shanghai Borui Metal Products Co., Ltd. Located in Jing'an District, Shanghai, offers OEM/ ODM services for fasteners. With over 20 years of experience in the production and export of high-quality standard fasteners, non-standard parts, which are widely used in various fields such as high-speed rail, ships, nuclear power, new energy, mechanical equipment, petrochemicals, military equipment, aerospace, etc. We have provided high-quality fasteners to over 1, 000 customers from more than 200 countries around the world. Main products include standard (German, American, European, Chinese standards) fasteners (bolts, stud bolts, threaded rod, nuts, washers, rivets, screws) and non-standard fasteners. Our raw material includes carbon steel, stainless steel, and alloy steel, as well as special material fasteners for special application scenarios (ultra-high temperature, ultra-low temperature, strong corrosion).

Rui'an Yiteng Hardware Products Co., Ltd. is a dynamic and innovative enterprise specializing in the manufacturing and sales of high-quality hardware products and sanitary ware. Established on March 10, 2017, our company in No. 999 Chuangxin Road, Shangwang Street Ruian City, Wenzhou, Zhejiang Province -a region renowned for its robust manufacturing ecosystem and skilled workforce.

Ningbo Mianxuan Imp. & Exp. Co., Ltd. Is an industrial and trade enterprise integrating the development, design, production and sales of Vehicles Parts and Accessories, CNC Machining, Metal Stamping, Fasteners, Plastic and Rubber Parts etc.

Chengdu Shiwei Jiecheng Machinery Technology Co., Ltd. is a large-scale fastener enterprise that integrates research and development, production, and sales, and also professionally provides supply services of various mechanical processing parts. We have been deeply involved in the fastener industry for 15 years and have continuously provided professional fastener services and high-quality mechanical processing parts supply to tens of thousands of enterprises worldwide; In 2024, with the support of government foreign trade policy projects, we officially settled in Chengdu, the trade and financial center of western China, starting a new journey of global market expansion.

Shanghai T& Y Hardware industry, 21 years only working for standard and special fasteners making and developing, more than 394 customers are from 39 countries in the world., we are the nominated suppliers for the largest producer of household from Sweden, National Electric Power Company from Israel etc, T& Y Hardware has special full line sourcing to assistant your Fasteners business better and better

Ningbo Transhow, is a professional manufacturer and distributor of various fasteners and hardware. Its located in Yinzhou District, Ningbo City, around 10 minutes drive to the Ningbo airport.

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.

Shandong Meiling Chemical Equipment Co., Ltd. Was built in 1958 and currently employs more than 1, 200 people, including college education of engineers and technicians account for more than 30%. Enterprise total area of 360, 000 square meters, engaged in energy-efficient heat exchanger design and manufacture of non-ferrous metals (titanium, zirconium, nickel) pressure vessel; Automotive braking systems, exhaust manifold, turbochargers and other auto parts manufacturing; High-strength fasteners, air conditioning centrifugal fan, heavy forging manufacturing; Design and manufacturing, environmental engineering design, construction and operation of urban water supply and quality of production of mineral water and other environmental protection equipment.

Jiaxing Goshen Hardware Co., Ltd, established in China Mainland with the the high -quality strategy and marketing philosophy inherited from the holding company in the willing to supply better service for the domestic and overseas client. We are keeping moving with the motto: Foundation based on quality, Development founded in repuitation; Keeping innovation, Keeping progress. Our company has passed the ISO9001-2008, SGS, RoHS certification and along with the precision cold forged machine, thread roliing machine, stamping machine, CNC machine, thread tapping machine, Tail-milling machine, slotting machine & anvanced inspecting machine, we have the perfect managing system, high quality&efficient engineer and saler team for satisfying each client.

Handan Yanzhao Fastener Manufactory Co., Ltd. is a modern enterprise specializing in R & D and production of high-strength fasteners. Our company is located in the Southwest Industrial Areas, Yongnian District, Handan City, covering 40000 square meters, with more than 100 employees, more than 100 advanced production equipment and we have rich production experience. It is one of the companies that entered the fastener industry earlier in Handan city.

NINGBO KINGLI FASTENER Co., Ltd (KLF) is a renowned manufacturer with decades of experience in custom manufacturing stud bolts, headed bolts, construction fasteners, and specialty fasteners. Our products play a critical role in the construction and maintenance of various infrastructure projects such as buildings, roads, bridges, power generation plants, and oil and gas facilities both domestically and internationally.

Xinghua Ruibang Stainless Steel Standard Parts Co., Ltd. Was established on June 16, 2016, with Qin Fubang as the legal representative. The registered capital is 2 million yuan and the unified social credit code is 91321281mA1MMWRD45. The registered address of the enterprise is No. 002, Hepitang Road, Dongchen Village, Dainan Town, Xinghua City, Jiangsu Province. The company belongs to the general equipment manufacturing industry and its business scope includes the production, processing, and sales of stainless steel standard parts and fasteners, as well as the sales of stainless steel products and other metal products and materials. Projects that require approval by law can only be operated after approval by relevant departments. The current operating status of the enterprise is in existence.

Haiyan Jinrun Metal Products Co., Ltd. is located in Haiyan County, Zhejiang Province, with very convenient waterway and land traffic, about two hours to Shanghai port, one hour to Ningbo port. We are a professional screws manufacturer and supplier in China.

Qiangbang Industry Co., Ltd operates two major production bases and five storage and distribution centers in China. The factory covers a total area of 180, 000 square meters, with over 600 employees and an annual production capacity of 40, 000 tons. As a large-scale, professional manufacturer of stainless steel fasteners, Qiangbang is integrated with research and development, production, sales, and service into a cohesive operational framework.

NINGBO STEEL BOLT Co., Ltd is a professional fasteners factory from Ningbo,

Handan changlan Fastener Manufacturing Co., Ltd. Was founded in 2015, formerly Yongnian Tiexi Changhe fastener factory (founded in 2009), a large-scale standard fastener manufacturer in Yongnian County. The company is located in the largest standard fastener distribution center of Hebei Yongnian, covering an area of more than 6000 square meters, close to national highway 107 and Beijing Guangzhou railway, with convenient transportation and superior geographical location. After years of development, the company now has advanced domestic production equipment for bolts, nuts, double heads, foundation and complete product testing equipment. With an experienced technical research and development team, high-quality management personnel and spacious production environment.

Our company specializes in fastener products (bolts, nuts, screws, etc. ), has a complete production line, and supports custom processing. 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.

Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Founded in 2015 and located in Handan City, Hebei Province, China, Handan Xingming Fastener Co., Ltd. is a professional manufacturer and supplier of high-strength construction materials, dedicated to providing reliable and innovative solutions for global infrastructure projects.

Hebei Didong Metal Products Co., Ltd. Mainly produces embedded steel plates, anchor bolts, embedded parts, threaded rods, U-bolts, steel structure bolts, ordinary bolts and nuts, etc. The company adheres to the business philosophy of 'Customer First, Forge Ahead, ' and upholds the principle of 'Customer First' to provide high-quality services to a wide range of customers. Welcome to visit! Hebei Mailin Metal Products Co., Ltd. Follows the policy of 'Enhancing the quality awareness of all employees, strengthening scientific quality management, producing products that satisfy customers, and providing after-sales service' to provide customers with good products and services. All employees of Hebei Didong Metal Products Co., Ltd. Sincerely welcome new and old customers to call for inquiries, visit and inspect, negotiate cooperation, and seek common development.

Anji Xinchi Fastener Co., Ltd. Has a wholly-owned subsidiary, Anji Sansheng Metal Products Factory, which was established in 2007. It is located in the hometown of swivel chair, Anji Tianhuangping Industrial Park, Huzhou, Zhejiang Province, with convenient transportation and superior geographical position. Covering an area of nearly 10, 000 square kilometers.

Manufacture of fasteners; General equipment manufacturing (excluding special equipment); Industrial automatic control systems; Marine auxiliary equipment; General mechanical parts; Mining machinery; Forgings and powder metallurgy products.

MST Fasteners founded in 2011 and headquartered in Guangzhou with a registered capital of 10 million RMB. As a high-tech enterprise, we specialize in the integrated R&D, production, and sales of precision fasteners and precision die-cutting products. The group currently operates three major production bases in China, located in Guangzhou, Chongqing, and Ningbo, and has been awarded multiple authoritative certifications, including "High-Tech Enterprise", "Innovative SME" and "Specialized, Refined, Distinctive and Innovative SME". MST Fasteners is committed to providing customers with one-stop precision fastener solutions, driving industry advancement through technological innovation and professional services.