The 2025 NEFTEGAZ International Exhibition for Equipment and Technologies for the Oil and Gas Industries is just 4 days away! Haihao Group is excited to announce our participation in this premier oil ...

As a leading expert in pipeline systems and prefabricated welded components, Haihao Group frequently assists global clients with welding-related solutions. With decades of experience, we’ve developed ...

As a leading expert in pipeline systems and industrial components for over 40 years, Haihao Group has continuously expanded its product range to meet the diverse needs of global industries. Recently, ...

Supplying 32″ ASTM A106 Gr.B Welded Pipes for Côte d’Ivoire
Haihao Group recently completed the production and quality inspection of large-diameter 32″ ASTM A106 Gr.B welded pipes fo...

In pipeline systems, structural steel plays a crucial role in providing stability, strength, and durability. Choosing the right materials for pipeline support structures is essential to ensure long-te...

Flanges are critical components in pipeline systems, ensuring secure connections between pipes, valves, and equipment. ASME B16.47 and ASME B16.5 are two widely used flange standards, but they serve d...

Recently, Haihao Group successfully completed the production and shipment of large-diameter elbows for an Iranian client. The order included ASME B16.9 90° long radius elbows (LR Elbow) with butt weld...

Cold-formed pipe fittings, produced through processes like cold extrusion or cold pressing, offer significant advantages such as cost-effectiveness and high dimensional accuracy. However, these manufa...

Recently, Haihao Group successfully completed the production and shipment of large-diameter steel pipes for an Indonesian client. The order included ASME B36.10 DN1400 ASTM A139 Gr.C pipe with a wall ...

After completing the production of the eighth batch order for our Brazilian customer, Haihao Group conducted a rigorous quality inspection to ensure that every product meets international standards an...

We are excited to announce that Haihao Group, in collaboration with GANYEAH Group and FNS (NanJing) Surface Engineering Service Co., Ltd., will be participating in the 2025 NEFTEGAZ Exhibition in Mosc...

Haihao Group recently completed a specialized order for a client in Latvia, demonstrating our expertise in custom forging and precision manufacturing. The client required a batch of approximately 50 f...

At Haihao Group, we pride ourselves on being a leading provider of high-quality piping solutions tailored to meet the diverse needs of our clients worldwide. Recently, we have successfully fulfilled a...

Haihao Group has successfully delivered a comprehensive order of high-pressure pipe fittings to a client in Singapore, reinforcing our commitment to quality and adherence to NACE standards. This achie...

In high-pressure and high-temperature piping systems, IX Seal Rings and RTJ (Ring Type Joint) Gaskets are both used for metal-to-metal sealing. While they share a similar purpose, they have significan...

Haihao Group is pleased to announce that we have successfully secured a large-scale pipe fittings order from a Portuguese client, consisting of nearly 6,000 pieces of various pipe fittings. This order...

Haihao Group is proud to announce the successful production of ASME B16.9 concentric reducers for a valued client in Singapore. These reducers are manufactured from seamless super duplex stainless ste...

Haihao Group recently completed the production of a batch of pipeline supports for our valued customer. These supports play a crucial role in various industrial applications, ensuring the stability an...