... : It ranges from 0.5kgs to 20kgsProcess: Investment Casting/Sand Casting/Precision Casting+Heat Treatment+Surface treatment ... , such as powder coating,plating,black oxide treatmentApplication: Construction/building industry, machinery,etc.Certificate: ISO9001Engineering service: OEM ... nuts, bolts, washers, screws,pins, rivets, anchors per international standard IFI, ANSI, DIN, ISO, JIS, BS etc. ...