Haihao Group has recently completed the delivery of DIN 2605 seamless 90 degree stainless steel elbows for a customer in the Netherlands. The products were manufactured in EN 1.4301 (AISI 304) stainless steel and supplied with precise dimensional control t ...

Haihao Group has recently completed the delivery of a batch of high-strength stud bolts and heavy hex nuts to a customer in Russia. The products were manufactured strictly in accordance with ASTM, BS, and ASME standards, meeting the customer’s requir ...

Haihao Group has successfully delivered a batch of super duplex stainless steel pipe fittings to a Russian customer, manufactured from ASTM A815 Grade WPS32750 (UNS S32750). The supplied fittings include long radius elbows and concentric reducers, designed ...

Haihao Group has successfully completed the shipment of stainless steel hex bolts and hex nuts to a customer in Thailand. This order includes precision-manufactured M22 SUS304 fasteners, designed to meet reliable performance requirements in industrial and ...

Haihao Group has successfully completed the delivery of a wide range of BS EN 10253-2 carbon steel pipe fittings to a customer in Switzerland. The shipment covers multiple fitting types, dimensions, and wall thicknesses, manufactured in S235 non-alloy stru ...

Haihao Group has recently completed the supply of ASTM A182 Grade F53 socket weld fittings for a customer in the United Arab Emirates. The shipment includes 90-degree and 45-degree socket weld elbows as well as equal tees, manufactured in accordance with A ...

Haihao Group has successfully completed the delivery of ASTM A182 F53 weldolets to a customer in the United Arab Emirates, supporting demanding oil and gas piping applications. The supplied fittings fully comply with MSS SP-97 dimensional requirements and ...

Haihao Group has successfully completed the shipment of carbon steel equal tee fittings to a customer in Russia, supporting pipeline systems that require reliable strength, dimensional accuracy, and compliance with international standards. The supplied pro ...

Haihao Group has successfully completed the delivery of stainless steel butt welding branch outlets (Weldolets) to a customer in Singapore, supporting a piping system designed for corrosive and sour service conditions. All products were manufactured from A ...

Haihao Group has successfully delivered a 28-inch seamless end cap to a customer in the United Arab Emirates, manufactured specifically for an ADNOC-related pipeline project. The product was produced in full compliance with ASME B16.9 and API 5L Grade X70, ...

Haihao Group has recently completed the shipment of a full range of hot-dip galvanized bolt and nut assemblies to a valued customer in Singapore. These fastening products are designed specifically for pipeline fittings and modular steel structures, ensurin ...

Haihao Group recently completed the shipment of 45° socket weld elbows for a customer in Russia. The supplied fittings were manufactured in strict accordance with ASME B16.11, using ASTM A182 Grade F304L stainless steel, and designed for Class 3000 pressur ...

Haihao Group recently completed the shipment of a comprehensive range of pipeline fastening components for a customer in Singapore. The order covered stainless steel bolts, nuts, washers, socket screws, and clevis pins, supplied in multiple sizes and stand ...

Haihao Group has successfully completed the delivery of a full range of hot-dip galvanized bolt and nut assemblies for a customer in Singapore. The shipment covered multiple specifications of metric high-strength fasteners, designed for demanding pipeline ...

Haihao Group has successfully completed the delivery of S31803 super duplex stainless steel pipes to a customer in Singapore. The supplied pipes feature a size of OD 324 mm × wall thickness 6.3 mm, manufactured with strict dimensional control to meet the p ...

Haihao Group has completed the delivery of double male threaded nipples to an industrial customer in India. The products are manufactured from ASTM A733 steel pipe with ASTM A106 Grade B material, featuring MNPT threads on both ends and a standard length o ...

Haihao Group has successfully completed the delivery of large-diameter seamless carbon steel pipes for a customer in Singapore.The supplied pipes are manufactured from ASTM A333 Grade 6, designed for low-temperature and demanding service conditions commonl ...

Haihao Group has successfully completed a new shipment of seamless pipe caps for a Russian customer, supporting their high-temperature and corrosion-resistant piping system. The supplied pipe caps are manufactured from 15Х5М alloy steel (Cr ≥ 4.5%), a mate ...

Haihao Group has completed another shipment of welded branch outlets for a long-term customer in Singapore. The products were manufactured in accordance with international standards, using A350 LF2 and A234 WPB materials to meet the mechanical and temperat ...

Haihao Group has completed the shipment of a full range of stainless steel forged fittings to a customer in the Philippines. The order includes DIN 2353 hydraulic fittings and ASME B16.11 socket weld fittings, all produced with precision machining and manu ...