A193 B7, A194 2H, A320 L7, L7M Aloi ya chuma, ASME B18.2.1 Hex Bolts ASME B18.2.2 Nuts Hex Asme B18.22.1, Stud Bolt, Hex Bolt, Hex Bolt na Thread ya Sehemu, Scred-Bolt, Stud Bolt, Hex Bolt, Hex Bolt na Sehemu ya Sehemu, Hect-Bolt, Stud Bolt, Hex Bolt, Hex Bolt na Partual Thread, Hex-Bolt, Stud Bolt, Hex Bolt, Hex Bolt na Partual Thread, Scred, Scread fold, stud form, stud fold, stud fold, stud folrea Washer, Washer wa Spring.
- Zhengzhou Huitong Bomba Vifaa vya Bomba Co, Ltd.