Low-temperature piping projects in Singapore often require compact threaded connectors that maintain toughness under cold operating conditions. Haihao Group has finished fabrication and shipment of ASTM A333 Gr6 double threaded nipples for a local industri ...

Industrial equipment piping connections for Russian projects require strict dual-standard compliance, covering both local GOST metallurgical specifications and international ASTM performance criteria. Haihao Group has successfully delivered custom drawing- ...

Haihao Group has completed precision manufacturing and full-qualification delivery of custom sour service pipe fittings for a US-based refinery project. This specialized batch is strictly engineered to meet dual technical specifications of NACE MR0103 and ...

Haihao Group has completed full inspection and bulk shipment of customized forged pipe fittings for a Singapore energy and process piping project. This consolidated order integrates multiple forged component types, three mainstream carbon steel grades, and ...

Haihao Group finished production and shipment of ASTM A815 UNS S32750 swage nipples for a Singapore industrial piping project. This batch includes concentric reducing nipples and one eccentric reducing nipple, built to MSS SP-95 specification with mixed en ...

SHANGHAI, CHINA – September 21, 2026 – Tube China 2026 officially began on September 21, and the opening day has provided Haihao Group with an opportunity to meet international buyers, engineers, project specialists, and industrial customers at Booth W2A02 ...

Haihao Group has completed a shipment of large forged rings for a customer in the UAE, covering two material groups: ASTM A350 LF2 Class 1 and A/SA182 F304/304L. The order includes forged rings and forged plates in large outside diameters, with ring dimens ...

Haihao Group has successfully completed the packaging and delivery of high-pressure pipe half couplings for a professional industrial piping project in Belarus. This customized order features premium ASTM A182 F5 half coupling, strictly manufactured in lin ...

A batch of flange stud bolt assemblies has left Haihao Group’s factory warehouse, bound for a Russian industrial piping project. This consignment includes two common metric sizes of ASTM A320 L7 stud bolts, fully matched with ASTM A194 Gr.7 heavy hex ...

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 ...