With more than 10 years' experience, our company provides sophisticated and customized fasteners and hardware for the use in home and industry. Company Profile About Rock Industry As a special fastener manufacturer and full-line industrial fastener supplier in China, we specialize in component fasteners including nuts, bolts, washers, screws, pins, rivets, anchors, as per international standards of IFI, ANSI, DIN, ISO, JIS, BS, etc. We also produce no-standard parts according to ...