According to your drawings or samples Finished: zinc plated(cr3+,cr6+),black treatment, hot galvanization,nickel plated, chrome plated or stainless steel etc. Material:Carbon steel, 40cr, Good product performance.Various packings are... More
HaiYan FeiHua Fasteners Co., Ltd.
Main Products: hex head lag screw/coach screw/din571, hanger boltsstuds, hex head bolts... More