Haihao Group has successfully completed the production and shipment of a batch of ASTM A320 L7 stud bolts with matching ASTM A194 Grade 7 heavy hex nuts for a customer in Russia. Manufactured in accordance with ASME B18.31.2 and ASME B18.2.2, these fastening products are designed for demanding l ...
Haihao Group has successfully completed the production and shipment of a batch of industrial fastening products for a Russian customer. The order includes a wide range of GOST standard bolts and washers, hex nuts, spring washers, and fastening accessories designed for heavy-duty industrial appli ...
