Yapı Ve İnşaat / Yapı Malzemeleri / Çin Talepleri

We are a factory of hex bolt , such as DIN933 , DIN931 , ISO4014 , ISO4014 . SIZES from M6- M30 , grade 4.8 , 5.8 , 6.8 , 8.8 . surface : black , zinc plated . plain

We are specialized in manufacturing fasteners for 20 years, with the strength of self drilling screw, hex bolt, hex nut, wedge anchor and so on.