Haihao Group has completed a full batch delivery of high-pressure ASME B16.11 A105 forged fittings, catering to a local industrial piping project in Kenya. This shipment covers complete forged pipe accessories including 90-degree elbows, socket weld tees, ...

Constructing high-pressure trunklines and gas processing headers in Middle Eastern oil and gas fields requires heavy-wall pipeline fittings capable of handling high hoop stresses and sour gas environments. When transitioning pipe diameters on horizontal su ...

Managing piping networks across industrial, marine, and utility infrastructures in West Africa requires precise matching of fitting metallurgy to fluid aggressiveness and pressure ratings. While high-pressure process loops and chemical dosing manifolds dem ...

For a piping project, branch connections are often small compared with the main line, but their specifications cannot be treated as a minor detail. The flange class, branch size, material, wall thickness and facing all have to match the piping system. Haih ...

Haihao Group has completed the production and shipment of a batch of forged pipe fittings for a customer in Russia. The order combines a 1-inch Class 3000 45° socket weld elbow in ASTM A350 LF2 Class 1 with a 1″ × 3/4″ eccentric swage nipple in ...

Haihao Group has completed the supply of galvanized B7M stud bolts for a customer in Iraq. The order consists of 1/2-inch diameter stud bolts, 65 mm in length, supplied with two hexagonal nuts for flange and pressure equipment assembly. The fastening set c ...

Haihao Group has completed manufacturing, full non-destructive testing, and specialized protective packaging for a high-grade stainless steel branch outlet shipment bound for a leading industrial engineering client in Singapore. Engineered to deliver relia ...

Haihao Group has completed manufacturing, surface treating, and final quality packaging for an extensive shipment of industrial bolting hardware destined for major engineering projects in India. Encompassing pressure-vessel stud bolts, high-tensile socket ...

Haihao Group has completed the production and export dispatch of high-strength structural machine bolt assemblies for a major energy pipeline and infrastructure installation in Turkmenistan. Designed for heavy-duty structural flange connections, these asse ...

Haihao Group has completed the production and export dispatch of high-yield carbon steel concentric swage nipples destined for a severe service offshore processing project in Singapore. Built strictly to MSS SP-95 dimensional standards, this delivery feat ...

Haihao Group has completed the dispatch of a specialized consignment of heavy-wall forged branch connections engineered for an oil and gas infrastructure expansion project in the United Arab Emirates (UAE). Manufactured strictly to MSS SP-97 standards, the ...

Haihao Group has completed the dispatch of a comprehensive consignment of high-pressure pipe fittings tailored for an industrial energy project in the United Arab Emirates (UAE). The delivered package combines precision-machined ASME B16.11 socket weld com ...

SHANGHAI, CHINA – Haihao Group, a trusted manufacturer of industrial flanges, pipe fittings, and pipeline components, has officially confirmed its joint participation at The 12th All China – International Tube & Pipe Industry Trade Fair (Tube Chi ...

Haihao Group recently completed a pipe fitting shipment for a customer in Russia, covering 3000# forged fittings, a seamless cap and a range of stainless steel and low-temperature alloy steel grades. The order includes 304L, 316L, A350 LF2 Class 1 and A420 ...

For large pipeline projects, material selection and fabrication are only part of the finished fitting specification. Surface protection can be equally important, especially when the component must withstand different conditions on its external and internal ...

Haihao Group has completed the production, non-destructive evaluation, and ocean-freight packaging for a diverse order of high-pressure branch connection fittings destined for an offshore oil and gas project in Singapore. Designed to reinforce header openi ...

Haihao Group has completed a new shipment of forged and threaded pipe fittings for a customer in the United Arab Emirates. The order combines ASTM A105 fittings, stainless steel components, branch connection fittings and threaded accessories in a range of ...

Haihao Group has completed a batch of forged pipe fittings for a Singapore customer, covering branch outlet fittings, pipe nipples, a concentric reducer and a threaded union. The order includes MSS SP-97 branch fittings in A350 LF2 CL 1 and A182 F316/316L, ...

Haihao Group has completed a shipment of 15X5M/P5 seamless pipe fittings for a customer in Latvia. The order includes 90° long-radius elbows, concentric reducers, equal tees, and reducing tees manufactured to the specified GOST standards. The fittings are ...

Haihao Group has completed a new shipment of forged branch fittings and pipe nipples for a Singapore customer, covering SA/A105N and SA/A106 Grade B materials for small-diameter piping applications. The order includes beveled-end branch fittings and a pipe ...