... GB 3632, DIN, ASTM, JIS, GOST and so on.II. We also can manufacture by your drawings! If ... you need us, please send the details and ... A., Canada, Cuba, Germany, Japan, Singapore, Malaysia and Africa and so on. Pictures: 1. Certificate 2. Various ... 3. Product Torshear type high strength bolt,nut and plainwasher for steel structures 4. Factory view ...