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-pressure piping systems. This shipment once aga ...

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 15156 and international material standar ...

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 requirements for strength, dimensional accurac ...

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 for high-strength, corrosion-resistant, ...

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 construction applications. With stable q ...

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 structural steel and supplied with protectiv ...

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 meet NACE MR0175 / ISO 15156 standards f ...

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 product is an 8″ × 8″ equal tee ...

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 ASTM A182 Grade F316/316L and fully compl ...

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, meeting stringent material, heat treatm ...

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, ensuring reliable performance in demanding indu ...

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 pressure rating applications. These elbows are ...