Haiyan Yingjie Fastener Co., Ltd. founded in 2002, is a professional China STUD BOLT factory and STUD BOLT company .our company specializes in the production of DIN975 threaded rods, ANSI threaded rods, U-Bolt, L-Bolt, and other products.Company has multiple automatic equipments, monthly output of 800 tons, the annual production capacity is about 10000 tons.We always wholesale high quality STUD BOLT for sale.