Haihao Group has recently completed the production and shipment of 1 inch 3000 PSI threaded hexagonal pipe nipples to a valued customer in Kazakhstan. The products are manufactured in accordance with ASME B16.11 and made from ASTM A105 carbon steel, ensuring reliable performance in high-pressure ...

Haihao Group has recently completed a large-scale piping fittings shipment to a UAE customer, covering a broad range of butt welded fittings manufactured to ASME B16.9. The order includes carbon steel, low-temperature steel, stainless steel, and nickel alloy fittings designed for demanding pipel ...

Haihao Group has successfully completed a shipment of carbon steel pipe fittings for an Australian customer, covering a wide range of threaded, socket weld, and butt weld components. The products were manufactured in accordance with ASME, MSS, and EN standards, with materials selected to meet di ...

Haihao Group has successfully completed the delivery of hot-dip galvanized bolt and heavy nut assemblies to a customer in Russia. Manufactured in accordance with BS 4882, the products are designed for high-strength bolted connections in demanding industrial environments. Hot dip galvanized L7 bo ...

Haihao Group has successfully completed the shipment of 180 degree seamless elbows to a customer in Bulgaria. The products were manufactured in strict accordance with EN 10253-2 Type A, ensuring reliable performance, accurate dimensions, and consistent material quality for European pipeline proj ...

Haihao Group has successfully completed the delivery of socket weld branch fittings and threaded pipe cap to a customer in Turkey. The supplied products are manufactured from ASTM A350 LF2 Class 1 carbon steel, designed for low-temperature and high-pressure piping systems. This shipment once aga ...

Haihao Group has successfully completed the delivery of a batch of forged weldolet branch fittings for a customer in the United Arab Emirates. The products were supplied for use in oil and gas piping systems, where strict compliance with NACE MR0175 / ISO 15156 and international material standar ...

Haihao Group has recently completed the delivery of a batch of high-strength stud bolts and heavy hex nuts to a customer in Russia. The products were manufactured strictly in accordance with ASTM, BS, and ASME standards, meeting the customer’s requirements for strength, dimensional accurac ...

Haihao Group has successfully delivered a batch of super duplex stainless steel pipe fittings to a Russian customer, manufactured from ASTM A815 Grade WPS32750 (UNS S32750). The supplied fittings include long radius elbows and concentric reducers, designed for high-strength, corrosion-resistant, ...

Haihao Group has successfully completed the shipment of stainless steel hex bolts and hex nuts to a customer in Thailand. This order includes precision-manufactured M22 SUS304 fasteners, designed to meet reliable performance requirements in industrial and construction applications. With stable q ...

Haihao Group has successfully completed the delivery of a wide range of BS EN 10253-2 carbon steel pipe fittings to a customer in Switzerland. The shipment covers multiple fitting types, dimensions, and wall thicknesses, manufactured in S235 non-alloy structural steel and supplied with protectiv ...

Haihao Group has successfully completed the delivery of ASTM A182 F53 weldolets to a customer in the United Arab Emirates, supporting demanding oil and gas piping applications. The supplied fittings fully comply with MSS SP-97 dimensional requirements and meet NACE MR0175 / ISO 15156 standards f ...