Haihao Group is proud to supply GOST 9941-2022 seamless steel pipes to our valued Russian client. These pipes are manufactured to meet the highest industry standards, ensuring superior performance, du...

Haihao Group proudly supplies the MSS SP-75 90° long radius elbow, manufactured from ASTM A860 WPHY65 and compliant with NACE MR0175. This high-strength elbow is designed for low-temperature and high-...

As a professional manufacturer with over 40 years of expertise in the field of pipeline system components, Haihao Group is proud to offer a wide range of high-quality products made from various materi...

Haihao Group is pleased to announce that we have recently received an order from a UK client for a wide range of pipe fittings.
EN10253-2 P265GH sandblasted 90 degree elbows
Product Details:
EN 10253-...

Low-temperature pressure vessels operate under extreme conditions where conventional fasteners may become brittle and lose their mechanical strength. Proper fastener selection and design are essential...

At Haihao Group, we specialize in producing high-quality, large-scale forged components for demanding industrial applications. Recently, we completed a major order for a Russian client, producing larg...

GOST 10704-9 is a Russian standard that specifies the requirements for Electric Resistance Welded (ERW) steel pipes. These pipes are primarily used in various industrial applications, including the tr...

Haihao Group is pleased to announce the successful delivery of a 40″ ASTM A53 Gr.B LSAW pipe with a wall thickness of 9.53mm to a client in Saudi Arabia. This delivery highlights our capabilitie...

Haihao Group has recently completed the production and delivery of a batch of high-performance MSS SP-97 branch fittings for an overseas industrial project. The order reflects our continued commitment...

Haihao Group is pleased to announce that we have recently signed a supply contract with a client from Malaysia. The order consists of a range of ASTM A182 F304H pipeline system products, including:

W...

In pipeline systems, the quality of fasteners is crucial for overall safety and long-term reliability. As a leading expert with over 40 years of experience in the pipeline industry, Haihao Group not o...

Haihao Group is proud to announce the successful delivery of a custom batch of pipe fittings to our esteemed client in Iran. The order included 90° seamless elbows, seamless eccentric reducers, and se...

Haihao Group is proud to announce the successful delivery of a custom batch of concentric swage nipples to our esteemed client in Singapore. Manufactured according to the strict guidelines of MSS SP-9...

Haihao Group is proud to supply a high-quality eccentric reducer to our valued customer in Singapore. This product, manufactured according to ASME B16.9, is made from ASTM A420 WPL6 low-temperature ca...

At Haihao Group, we are committed to delivering the highest-quality products tailored to meet the specific needs of our global customers. Recently, we fulfilled an order for a batch of ASTM A182 Gr.F2...

At Haihao Group, we pride ourselves on delivering high-performance piping components that meet the most stringent global standards. Our ANSI B16.11 ASTM A105 threaded caps are trusted by clients world...

Haihao Group is proud to announce the successful delivery of ASME B36.10 SMLS pipes in A53 GR.B and A106 GR.B materials to our Singaporean client. These pipes are designed to meet the highest standard...

Haihao Group recently completed an order for our Singaporean client, producing ASME B36.10 A53 GR.B ERW pipe and ASME B36.10 A53 GR.B LSAW pipe. These two types of pipes, while both conforming to ASTM...