Also known as backup washers, these square washers are for use with blind rivets for extra support when fastening into soft material. They fit into slots and channels and have flat sides to keep them from rotating. They are wider and thicker than most round washers, making them good for distributing heavy loads.
Shanghai Jian & Mei Industry and Trade Co., Ltd. Is the wholly-owned subsidiariesof Shanghai Hongyuan metal product Co. Ltd. Our metal factory had more than 15 years manufacture experience in fastener , stamping and turning line. In order to expend the foreign market , in 2006 shanghai Jian & Mei was found ,with self-managing importing and exporting right.
We specialized in manufacturing the custom products acc. to the drawing and samples. Products are widely used in automotive, construction, mining, communications, electronics and other fields.Our company is equipped with advanced production equipment and testing instruments, such as Taiwan's multi-station cold heading machine, thread rolling machines, precision stampings for production of hydraulic , as well as precision machining parts Taiwan used automatic lathe, CNC lathe and so on. At the same time, we have several engineers with more than 30 years experience in machinery manufacturing and development and own specialized testing staff effectively to ensure the quality of the manufactured products. The company always strictly follow the quality management system ISO90001 standards.At present, our products are exported to Europe and the United States, the Middle East, Southeast Asia, Africa and many other countries and regions.Many professional partners are enjoying our services.
We welcome OEM orders and expect to strengthen our business cooperation with customers from all over the world and create a bright future together.
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SUNO GROUP LIMITED was found in 1990, certificated by ISO 9001 & TS 16949, as a professional fasteners manufacturer in China. We continue bringing the best possible fastening solution for automotive, railway, electronic and construction industries.
We have a large product range as hex bolts, hex flange bolts, tapping screws, machine screws, hex nuts, hex flange nuts, weld nuts, weld studs, stamping parts etc, made from our 5 factories located in Zhejiang, Shanghai and Tianjin. We provide high quality custom components as well with 20 years produce experience.
Now we control good quality by in-house testing laboratory, and provide very competitive price than Taiwan, which help us win good reputation in worldwide markets.
Business Type: Manufacturer & Exporter
Office Location: Beijing, China
Plants Location: Haiyan, Ningbo, Shanghai, Tianjin, Cangzhou.
Main Products: Fasteners (Bolts, Nuts, Screws, Washers etc.)
Ownership: Private Owner & Partner
Total Employees: 500 - 800 People
Total Annual Revenue: US$30 Million in 2014
Year Established: 1990
Product Certifications: ISO/TS 16949, ISO 9001, RoHS
Quality Control: In Warehouse - Owned Testing Labs.