• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first

Tag archives: "bolts and nuts"

Haihao Group recently supplied a batch of high-strength fastening products for a Malaysia pipeline project, including Grade 8.8 bolts with different sizes and surface protection requirements. The order covered M24×60 bolts with black coating and M30×110 bolts with hot-dip galvanized (HDG) coatin ...

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Haihao Group has successfully completed the production and shipment of a batch of bolt, nut, and non-asbestos gasket sets for a customer in Montenegro. The order was prepared for PN16 flanged pipeline connections, providing customers with a complete fastening solution that simplifies on-site ins ...

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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 ...

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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 ...

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