Founded in March 1988 and situated at the lakeside of Dragon Lake-northern suburb of Ningbo, Zhenhai Wanli High Strength Fasteners Co., Ltd. is a professional fastener manufacturer. Since 1993, we’ve been studying the technics of high strength bolts and we renewed the heat treatment equipment. We pay more attention to the material. The main products include high strength bolts, hex bolts, nuts, studs, etc in accordance with as many standards as ANSI, DIN, BS, GB, ISO, JIS with sizes from M12 to M100 and no limit to length. Product grades include 4.8,6.8, 8.8, 10.9 and 12.9 and materials include 35#、45#、40Cr、35CrMoA、42CrMo、25Cr2MoV、20MnTiB and all kinds of stainless steel. Our products are mainly used in machinery, building, bridges, etc. Our company specializes in high strength hex socket screws, hex bolts and non-standard bolts (according to drawings). Annual output of hex strength bolts is over 8 million. All our clients are from over 50 provinces and cities of the country, like Zhejiang, Guangzhou, Beijing, Shanghai, etc. We are well received from more than 130 clients. In March 2002, our products were considered as the excellent products of Zhejiang province by Zhejiang Machinery Product Quality Inspection Center. Our company is a member of Ningbo Standard Parts Industrial (Group) Co., Ltd.. In December 2002, our company became one of the members of Shanghai Steel Structure Association. Our first-class management system and technical quality make our product quality rank top all the time. Thanks to our clients’ support and trust, we can continuously develop ourselves. Warmly welcome clients from home and abroad to establish business relations with us!