Haihao Group is pleased to announce its participation in NEFTEGAZ 2026, one of the most influential oil and gas exhibitions in Eastern Europe and Eurasia. This year, Haihao Group will exhibit together with Ganyeah Group and FNS Pipeline Technology Co., Ltd ...

Haihao Group has successfully completed the delivery of hot-dip galvanized bolt and heavy nut assemblies to a customer in Russia. Manufactured in accordance with BS 4882, the products are designed for high-strength bolted connections in demanding industria ...

Haihao Group has successfully completed the shipment of 180 degree seamless elbows to a customer in Bulgaria. The products were manufactured in strict accordance with EN 10253-2 Type A, ensuring reliable performance, accurate dimensions, and consistent mat ...

Haihao Group has successfully completed the delivery of socket weld branch fittings and threaded pipe cap to a customer in Turkey. The supplied products are manufactured from ASTM A350 LF2 Class 1 carbon steel, designed for low-temperature and high-pressur ...

Haihao Group has successfully completed the delivery of a batch of forged weldolet branch fittings for a customer in the United Arab Emirates. The products were supplied for use in oil and gas piping systems, where strict compliance with NACE MR0175 / ISO ...

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 ...