Yongnian County Amtran fastener is a professional production and sales of fasteners standard parts manufacturers, fasteners professional service providers, has advanced production equipment and sophisticated detection equipment and strong technical force, has passed ISO9001:. 2008 international quality management system certification, the company's [Amtran] brand fasteners bolts nuts high-strength fasteners industry won the Chinese quality products. Products are sold throughout the country, custom non-standard shaped high-strength bolts nuts 4.8, 8.8, 10.9, 12.9 fasteners and other materials are complete Q235,35 # .45 #, 40Cr, 35CrMoA, 30CrMo, 42CrMo, 20MnB, Q345B (16 Mn), 25Cr2MoV other stainless steel fasteners. Product standards: GB (GB), (HG), (JB) (SH), German standard (DIN), American Standard (ANSI), British standard (BS), Japanese Standard (JIS) and International Standards (ISO) and in accordance with customer demand for customized non-standard type fasteners. The company regards product quality of life for enterprises, contract and keeping promises, warmly welcome friends and friends culvert business negotiations. I believe we will be your most reliable suppliers,