We can produce standard fasteners including ASME/ASTM A193 A194 A320 A453, ISO, DIN, UNI, GB, HG20613, HG20634···
We can produce standard fasteners including ASME/ASTM A193 A194 A320 A453, ISO, DIN, UNI, GB, HG20613, HG20634, SH3404, API20E, API20F, etc. You are welcome to ask.