Ningbo Zhenhai Winning Standard Parts Factory was founded in 2009, specializing in the production of high strength bolts, threaded rods, studs and nuts. Our company is located in Ningbo Zheihai Jiulong Lake with beautiful environment and convenient transportation.

We mainly produce high strength hex bolt, stud bolt and other non-standard parts. Main production standards are Chinese Standard (GB), American Standard (ASME), German standard (DIN), British Standards (BS), Japan Standard (JIS), Australian Standard (AS), International Standard (ISO) and so on. Hex bolt class including 8.8, 10.9, 12.9, A325, A490; Stud bolt class including B7, B7M, L7, L7M, B16, B8, B8M; Nut class including 2H, 2HM, 4, 7, 8, 8M; Washer including F436, DIN125-A etc. Production range: diameter 1/2”~4”, M12~M100 and length 16~6000mm. The finish treatment include black oxided, zinc plated, hot dip galvanized, cadmium plated, nickel plated, zinc-nickel plated, PTFE/teflon etc.

We have all kinds of production & testing equipments and passed ISO9001~2015 quality management system certification. Now our products have been exported to Europe, North America, Africa, Middle East and other places.

With faith of "quality and service first", we will provide you with the most reliable product quality and best service. Warmly welcome new and old customers at home and abroad to call or email us for cooperation.