Haihao Group has successfully completed the production and shipment of ASME B16.11 A350 LF2 forged fittings for a key Russian client. The order includes both galvanized and non-galvanized fittings, designed to perform reliably in low-temperature and high-p ...

Haihao Group has successfully completed the delivery of a wide range of pipeline products for a Russian customer. This shipment demonstrates our ability to provide complete piping connection and sealing solutions, covering flanges, gaskets, bolts, washers, ...

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 has successfully completed the delivery of a custom SA 312 TP304 180° elbow for a valued client. Manufactured strictly in accordance with the provided drawing, this elbow was produced in 6-inch diameter with SCH 40S wall thickness, ensuring re ...

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 proud to announce the successful shipment of a batch of high-quality pipeline products to a valued customer in Belarus. This order highlights our ability to supply pipe fittings, flanges, and fasteners that meet stringent ASTM and ASME stan ...

Haihao Group is pleased to announce the successful shipment of a new batch of ASME B16.11 forged fittings to a valued customer in Singapore. This order demonstrates our strong capability as a high-pressure forged fittings supplier, delivering safe, reliabl ...

Haihao Group, a trusted ASME B16.11 socket weld fittings supplier, has successfully delivered a batch of 2″ 9000# forged carbon steel socket weld couplings (SA/A105N) to a customer in Singapore. These high-pressure forged fittings are designed for cr ...

Haihao Group has successfully completed the shipment of a new batch of forged pipe fittings, manufactured in accordance with ASME B16.11 and MSS SP 97 standards. This order includes a variety of high-performance fittings such as elbows, tees, sockolets, an ...

Haihao Group has successfully completed the delivery of a batch of ASME B16.49 pipe bends to a valued customer in Korea. Manufactured from ASTM A234 WPB material, these bends are engineered to meet demanding pipeline applications in energy, petrochemical, ...

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 is delighted to announce our participation in Oil & Gas Asia (OGA) 2025, one of the most influential events for the global energy and pipeline industries. The exhibition will take place at the Kuala Lumpur Convention Centre, Malaysia, from ...

Haihao Group has successfully completed the shipment of a comprehensive range of hot-dip galvanized pipe fittings for a valued customer in India. Each product is manufactured to exacting international standards, ensuring exceptional durability, corrosion 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 ...

As a veteran supplier in the piping systems industry for over 40 years, Haihao Group understands the unique challenges of different industrial sectors—especially in demanding environments like coal chemical processing. Valves in coal chemical plants must w ...