Haihao Group recently completed fabrication and shipment of UNS N08825 eccentric reducer for an oil & gas project in the United Arab Emirates. This alloy pipe fitting is engineered to withstand harsh corrosive service, fully complying with NACE require ...

The 12th All China – International Tube & Pipe Industry Trade Fair (Tube China 2026) kicked off on September 21, 2026, at the Shanghai New International Expo Centre (SNIEC). Welcoming international delegations, EPC engineers, and energy infrastru ...

Haihao Group has completed manufacturing and shipment of ASTM A860 WPHY60/65 pipe fittings for an energy project in the United Arab Emirates. This batch covers a full range of butt-weld piping components, all produced to ASME B16.9 and coated with black pa ...

Haihao Group has completed shipment of ASTM A320 L7 stud bolts paired with ASTM A194 Grade 4 heavy hex nuts for a Russian low-temperature piping project. This batch covers two lengths: 7/8 inch UNC stud bolts in 150 mm and 140 mm, all hot-dipped galvanized ...

A batch of seamless butt weld pipe fittings has been finished inspection and shipped from Haihao Group’s fabrication facility for a Singapore industrial piping project. This shipment contains concentric reducers and tees, all manufactured as ASME B16.9 A42 ...

A consignment of flange bolting and seamless steel pipes left our warehouse recently, bound for a fluid transfer project in Kenya. The order came from a local pipeline contractor and covered both the line pipe and all the ASTM A193 B7 stud bolt assemblies ...

A Singapore customer recently sourced a large batch of ASTM A420 WPL6 fittings from Haihao Group, covering elbows, reducing tees, concentric reducers and eccentric reducers. What makes this order worth looking at is not simply the number of fittings, but t ...

Ensuring dependable flow shut-off during routine maintenance or emergency servicing across marine, petrochemical, and general utility pipelines in Singapore requires precision-engineered positive isolation hardware. Standard carbon steel blind plates can s ...

Constructing high-pressure injection manifolds, offshore processing skids, and severe-service utility lines across Southeast Asia’s marine engineering hubs requires branch connections and transition fittings that endure high cyclic vibration and pres ...

Haihao Group has completed the supply of ASTM A193 B8M bolt products for a customer in the United Kingdom. The order consists of M16 × 50 mm hex head bolts manufactured to ASTM A193 B8M Class 2, with the offered bolts confirmed to conform to ASTM A193. Alt ...

In sub-arctic energy processing facilities, piping material selection goes far beyond matching nominal pipe diameters. As ambient temperatures drop toward -46°C , standard carbon steel becomes increasingly brittle, making pipelines susceptible to catastrop ...

Haihao Group has completed the supply of a 1-inch 90° long radius elbow for a customer in Iraq. The fitting was specified as a seamless carbon steel elbow with SCH 160 wall thickness, ASTM A234 Grade WPB material, ASME B16.9 dimensional requirements, and N ...

Haihao Group has completed production, pickling passivation, and export dispatch for a specialized batch of thin-wall stainless steel pipe fittings destined for an industrial chemical process facility in Russia. Engineered to deliver smooth directional flo ...

Haihao Group has completed manufacturing, full material testing, and export handling for a high-specification shipment of duplex stainless steel pipe fittings supplied to a major oil and gas entity in the United Arab Emirates. Engineered to withstand high- ...

Haihao Group has completed the dispatch of a large-diameter carbon steel elbow shipment engineered for an offshore terminal and industrial fluid handling expansion project in Singapore. Built in strict accordance with ASME B16.9 dimensional standards, this ...

Haihao Group has completed the dispatch of a large-diameter SCH 80 carbon steel equal tee consignment for an industrial pipeline expansion project in Malaysia. Engineered to meet demanding pressure requirements, this shipment covers nominal sizes from DN80 ...

Haihao Group has completed the production and dispatch of a high-alloy seamless pipe fitting order destined for an onshore sour gas processing facility in the United Arab Emirates (UAE). Manufactured from nickel-iron-chromium-molybdenum-copper alloy (UNS N ...

Modern energy, petrochemical, and offshore projects demand piping systems that withstand extreme pressure, mechanical wear, and highly corrosive environments. To address these critical engineering challenges with a single-source supply chain, Haihao Group  ...

When pipeline diameter reaches 80 inches, a branch connection becomes a substantial engineered component rather than a routine fitting. Haihao Group recently supplied 80 inch pipe fittings for a Saudi NEOM project, including equal and reduced tees with rei ...

Haihao Group has completed manufacturing and testing for a specialized order of carbon steel pipe elbows bound for an industrial contractor in the United Kingdom. Designed to meet both European and American pressure piping criteria, this shipment highlight ...