Haiyan Hongrun Fastener Co., Ltd is a professional manufacture of producing 4.8, 8.8, 10.9 and 12.9 of the hexagonal flange bolt (including Prevent slippery tooth flange screws, wheel hub screw and Seat belt screw), high strength auto distribution fasteners and other kinds of non-standard special items. We introduced advanced production technology and several sets of multi-cold heading machine from Taiwan, carried out strict production management. Our products were sold to Germany, Italy, Eastern Europe and other countries for its stability quality. The company formatted depth cooperation between domestic and foreign customers, and became their long-term supply manufacturers. Since our inception, we always adhere to the credibility of the quality for survival and development. We warmly invited the majority of businessmen came to discuss and guide. We will do our best to meet your needs and to create more brilliant future.