Haihao Group has successfully completed the shipment of carbon steel equal tee fittings to a customer in Russia, supporting pipeline systems that require reliable strength, dimensional accuracy, and compliance with international standards. The supplied product is an 8″ × 8″ equal tee ...

Haihao Group has successfully completed the delivery of stainless steel butt welding branch outlets (Weldolets) to a customer in Singapore, supporting a piping system designed for corrosive and sour service conditions. All products were manufactured from ASTM A182 Grade F316/316L and fully compl ...

Haihao Group has successfully delivered a 28-inch seamless end cap to a customer in the United Arab Emirates, manufactured specifically for an ADNOC-related pipeline project. The product was produced in full compliance with ASME B16.9 and API 5L Grade X70, meeting stringent material, heat treatm ...

Haihao Group has recently completed the shipment of a full range of hot-dip galvanized bolt and nut assemblies to a valued customer in Singapore. These fastening products are designed specifically for pipeline fittings and modular steel structures, ensuring reliable performance in demanding indu ...

Haihao Group recently completed the shipment of 45° socket weld elbows for a customer in Russia. The supplied fittings were manufactured in strict accordance with ASME B16.11, using ASTM A182 Grade F304L stainless steel, and designed for Class 3000 pressure rating applications. These elbows are ...

Haihao Group recently completed the shipment of a comprehensive range of pipeline fastening components for a customer in Singapore. The order covered stainless steel bolts, nuts, washers, socket screws, and clevis pins, supplied in multiple sizes and standards to support on-site installation and ...

Haihao Group has successfully completed the delivery of large-diameter seamless carbon steel pipes for a customer in Singapore.The supplied pipes are manufactured from ASTM A333 Grade 6, designed for low-temperature and demanding service conditions commonly found in energy, petrochemical, and in ...

Haihao Group has successfully delivered a full range of high-pressure threaded pipe fittings to a long-term Russian customer. The shipment includes CL3000 seal unions, hexagonal bushings, threaded nipples, and hex plugs, manufactured in accordance with ASME B16.11, MSS MP-83, and MSS SP-95. Thes ...

As part of our continued support for global industrial projects, Haihao Group has completed a new shipment of hot-dip galvanized stud bolts with heavy hex nuts to a customer in Côte d’Ivoire. The supplied fasteners are manufactured according to ASTM A193 Grade B7 and ASTM A194 Grade 2, off ...

Haihao Group has successfully delivered a new batch of branch connection fittings to a Kazakhstan customer. The shipment includes ASTM A350 LF2 Class 1 weldolets and sockolets, all manufactured in accordance with MSS SP-97 and supplied with a protective painted surface. These fittings are engine ...

Haihao Group has successfully completed another overseas delivery — a batch of high-quality forged steel pipes designed for an Indonesian energy infrastructure project. These forged components, made from premium grades such as ASTM A694 F65, ASTM A350 LF2, UNS N06625, and UNS S31803/S32205, refl ...

Haihao Group has completed a shipment of double-end stud bolts with heavy hex nuts and CNAF gaskets for a customer in Côte d’Ivoire, supporting a major industrial pipeline project. All products were manufactured in strict accordance with ASTM and JIS standards, ensuring excellent sealing r ...