Haihao Group has completed another international delivery, providing a set of ASTM A350 LF2 forged steel flanges to a customer in Kazakhstan. The order contains welding neck flanges, blind flanges, and RTJ-type welding neck flanges, all engineered for low-temperature and sour-gas environments. E ...

Haihao Group has successfully shipped a batch of 12-inch 2500# S32760 / F55 RTJ paddle blinds, manufactured strictly according to the client’s drawing dimensions and project requirements. This delivery once again demonstrates our capability to produce customized high-performance piping isolation ...

Haihao Group has completed another successful shipment of carbon steel flanges for a valued customer in Singapore. The products include weld neck flanges and galvanized blind flanges, both manufactured to ASME B16.5 Class 150 standards. Designed for strength and durability, these flanges meet th ...

Haihao Group has successfully completed the delivery of a 20-inch stainless steel paddle blank flange to a key energy project in Singapore. The product was manufactured according to ASME B16.48 Class 600 Raised Face (RF) standards and produced with ASTM A240 316 stainless steel, ensuring superio ...

Haihao Group has recently completed the delivery of a new batch of carbon steel flanges to a long-term industrial partner in India. This shipment includes a variety of Slip-On Raised Face (SORF) and Weld Neck Raised Face (WNRF) flanges, manufactured with Q235B material in compliance with ASME B1 ...

Haihao Group has successfully delivered a batch of 48-inch 150# ASTM A105 blind flanges in full compliance with ASME B16.47 Series A standards for a key energy project in Singapore. These carbon steel blind flanges were designed and manufactured for high-integrity pipeline systems in the oil, ga ...

Haihao Group has once again demonstrated its expertise as a trusted industrial gasket supplier by successfully delivering a complete range of pipeline sealing components for a major energy project in Kazakhstan. The shipment includes spiral wound gaskets, CNAF flat gaskets, and NBR O-rings, each ...

Abu Dhabi, November 3, 2025 — The opening day of ADIPEC 2025 witnessed an inspiring start for Hebei Haihao Group Industry Piping Co., Ltd., as the company’s booth No. 13880 became a vibrant meeting point for industry professionals, EPC contractors, and long-term partners from around the wo ...

Haihao Group has successfully completed a shipment of ASME B16.5 A105 flanges and A516-70 spectacle blinds for a long-term customer in the United Kingdom. These carbon steel flanges and pipeline accessories are widely used in oil & gas, petrochemical, and power generation projects, ensuring ...

Haihao Group has successfully delivered a new batch of forged carbon steel flanges to a valued customer in Côte d’Ivoire. The shipment includes weld neck (WN) flanges, socket weld (SW) flanges, and blind flanges, all manufactured in accordance with ASTM A105 and ASTM A105N standards to ens ...

When a Turkish engineering company required high-performance piping components for a sour gas project, Haihao Group was selected to supply the complete package of ASTM B564 UNS N08825 flanges and flanged outlet pipe branch fittings. The project demanded materials capable of resisting acidic and ...

Haihao Group has recently completed a shipment of flat face (FF) flanges to an industrial client in Australia, further reinforcing its reputation as a trusted supplier of for global projects. The supplied products include carbon steel flat flanges with diameters ranging from 279 mm to 406 mm, pr ...