Haihao Group, a leading supplier of industrial piping solutions, successful completion of an order for ASME B36.10 ASTM A333 Gr. 6 seamless steel pipes to a key client in Russia. The pipes, designed f...

Haihao Group, a trusted supplier of pipeline fittings, announces the successful delivery of MSS SP-97 ASTM A350 GR. LF2 CL1 socket outlets to a client in the energy sector. This order highlights our a...

Haihao Group proudly delivers high-quality piping components to global customers. Recently, we completed the production of a batch of 12 Inch SCH40 45 Degree Short Radius (SR) elbows, Butt Weld (BW), ...

Expansion joints, also commonly referred to as compensators or flexible joints, are critical components in piping systems. They are typically composed of a working body made of bellows (an elastic ele...

Haihao Group has successfully supplied MSS SP-95 ASTM A815 UNS S32750 CONC RED swage nipples to our Singapore client, meeting stringent industrial requirements. The swage nipple, made from ASTM A815 U...

Haihao Group is proud to announce the successful production and shipment of an additional batch of ASME B16.11 45° socket weld elbows, manufactured from ASTM A350 GR. LF2 CL1 material, for a valued cu...

In critical industries such as oil & gas and petrochemical sectors, ensuring the integrity of piping components is non-negotiable. Haihao Group’s recent delivery of Nickel Alloy and Carbon S...

Haihao Group is proud to announce the successful production and delivery of ASME B16.9 90° long radius (LR) elbows, manufactured from ASTM B366 Grade WPNCMC.S, for a valued client in the United Arab E...

Haihao Group has successfully completed an order of ASME B16.11 NPT threaded caps for a Singapore client. These high-quality pipe caps demonstrate our commitment to delivering precise and reliable pro...

Underground pipeline installation plays a critical role in various infrastructure projects, including oil and gas, water supply, and chemical facilities. However, ensuring a safe and reliable buried p...

When it comes to critical applications in petrochemical plants, offshore platforms, and high-pressure pipelines, the quality of pipe fittings is not just a specification—it’s a matter of safety,...

For engineers and procurement specialists working in piping systems—especially in the oil & gas, petrochemical, and power industries—understanding international pipe fitting standards is essential...

Haihao Group recently completed an order of MSS SP-95 ASTM A815 (UNS S32760) concentric swage nipples for a client in Singapore. These high-performance components demonstrate our commitment to deliver...

Haihao Group recently completed the production and delivery of a batch of A105 threaded pipe fittings samples for a valued customer in Australia. The sample order included several types of high-precis...

Haihao Group is proud to announce the successful production and inspection of a batch of ASME B16.9 45° Long Radius Elbows made from A234 WPB carbon steel, specifically tailored for a valued customer ...

April 15, 2025 – The second day of the NEFTEGAZ 2025, Russia’s leading oil and gas exhibition, continues to bring energy and momentum to the Moscow Expocentre. Haihao Group, a global supplier of...

Haihao Group, a trusted name in the global pipeline solutions sector, is proud to announce its latest supply of ASME B36.10M ASTM A53 Gr.B seamless pipes and ASME B36.10M ASTM A53 Gr.B ERW pipes to va...

Haihao Group, a trusted global manufacturer and supplier of industrial piping components and fasteners, continues to meet the demands of the most stringent engineering applications. We are proud to su...