Established in 2011 Focus on manufacturing High strength Fasteners including BOLT .NUT .? SCREW ,ANCHORS Following the standard of DIN ,BSW ,ANSI ,JIS ,GB ,etc ,Grade 5.8 8.8 10.9 12.9 , We have more than 120 skilled staffs , 6 engineer ,The factory is cover more than 45000 sqm. Annual Capacity can reach 40000mts ,With the ISO 9001-2015 certificate . Our customer are from Europe USA , Asia ,Africa ,middle east ,south American ,etc Choose Yaoshi ,Choose safe .Choose Yaoshi ,Choose your own factory .