Haihao Group has successfully completed the delivery of a full range of hot-dip galvanized bolt and nut assemblies for a customer in Singapore. The shipment covered multiple specifications of metric high-strength fasteners, designed for demanding pipeline ...

Haihao Group has successfully completed the delivery of S31803 super duplex stainless steel pipes to a customer in Singapore. The supplied pipes feature a size of OD 324 mm × wall thickness 6.3 mm, manufactured with strict dimensional control to meet the p ...

Haihao Group has completed the delivery of double male threaded nipples to an industrial customer in India. The products are manufactured from ASTM A733 steel pipe with ASTM A106 Grade B material, featuring MNPT threads on both ends and a standard length o ...

Haihao Group has successfully completed a new shipment of seamless pipe caps for a Russian customer, supporting their high-temperature and corrosion-resistant piping system. The supplied pipe caps are manufactured from 15Х5М alloy steel (Cr ≥ 4.5%), a mate ...

Haihao Group has completed another shipment of welded branch outlets for a long-term customer in Singapore. The products were manufactured in accordance with international standards, using A350 LF2 and A234 WPB materials to meet the mechanical and temperat ...

Haihao Group has completed the shipment of a full range of stainless steel forged fittings to a customer in the Philippines. The order includes DIN 2353 hydraulic fittings and ASME B16.11 socket weld fittings, all produced with precision machining and manu ...

Haihao Group has successfully delivered a full range of stainless steel 321 pipeline components to a long-term customer in Dubai. This shipment includes weld neck flanges, lap joint flanges, DIN flanges, eccentric reducers, and elbows, all produced in acco ...

To support one of our long-term clients in the United Arab Emirates, Haihao Group has successfully completed the production and shipment of A694 F65 welded reinforcing outlets manufactured in accordance with MSS SP-97. These fittings will be used in a high ...

Haihao Group is pleased to announce the successful delivery of a large batch of seamless pipe fittings to a long-term customer in the United Arab Emirates. The shipment covers a complete range of carbon steel WPB fittings and stainless steel WP316L fitting ...

Haihao Group has recently completed the shipment of MSS SP-97 forged outlet fittings for a key Australian piping project. These components are designed to provide secure and efficient branch connections in pressure piping systems, ensuring both mechanical ...

In support of Kazakhstan’s expanding industrial sector, Hebei Haihao High Pressure Flange Pipe Fitting Group Co., Ltd. has successfully completed the production and export of high-precision forged round bars manufactured under ASME SA-105 standards. ...

Haihao Group has successfully completed the delivery of a large batch of ASTM A234 WPB pulled bends to a client in Vietnam, supporting the construction and operation of critical pipeline systems. This shipment included 2D, 3D, and 5D pulled bends in a wide ...

Haihao Group recently completed a shipment of concentric swage nipple fittings for a valued customer in Singapore. These fittings are designed to provide a smooth transition between different pipe sizes while maintaining system strength, sealing reliabilit ...

Haihao Group is pleased to announce our participation in the 2025 Gastech Exhibition & Conference, taking place from 9–12 September 2025 at Fiera Milano, Milan, Italy. You can find us at Stand No. C111. This year, Haihao Group will join hands with GANY ...

Haihao Group is pleased to announce the successful delivery of custom forged tees to a valued customer in Indonesia. The order reflects our strong capability in providing tailor-made piping components that meet precise dimensional, pressure, and material r ...

Haihao Group has successfully completed the delivery of a comprehensive batch of weld pipe fittings for a major industrial project in Pakistan. This shipment includes a wide range of high-performance fittings designed for demanding pipeline applications, e ...

Haihao Group has successfully completed the production and shipment of a batch of 180 degree long radius elbows for a client in Singapore, supporting a high-pressure pipeline application. These elbows, sized 1½” (DN40) with SCH 80 wall thickness, wer ...

Haihao Group recently completed the shipment of a full range of pipeline components to a valued customer in Côte d’Ivoire, supporting a key infrastructure project in the West African region. The order included seamless steel pipes, flanges, gaskets, ...

At Haihao Group, we are dedicated to manufacturing and supplying high-quality forged branch connection fittings to meet the diverse needs of global industries. Recently, we successfully delivered a batch of MSS SP-97 ASTM A182 GR.316/316L Sockolet fittings ...

In fluid control systems, control valves play a vital role in regulating flow and pressure. However, under certain operating conditions, phenomena like flashing and cavitation can occur—both involving pressure-induced phase changes in the fluid. While they ...