Haihao Group has successfully completed the shipment of high-pressure forged flanges to a customer in Singapore, supporting critical offshore, oil & gas, and high-integrity pipeline systems. The order includes super duplex compact flanges and API 6A RTJ weld neck flanges, all manufactured in ...

Haihao Group has successfully delivered a batch of high-pressure stainless steel flanges to a customer in Singapore, supporting a critical industrial piping system operating under low-temperature and corrosive conditions. The supplied flanges were manufactured from ASTM A182 F316 / F316L, fully ...

Haihao Group has successfully completed the shipment of a 6-inch Weld Neck Raised Face (WN RF) flange to a customer in Iran. The flange is manufactured in accordance with ASME B16.5 and supplied in ASTM A182 Grade F5, meeting the requirements of NACE MR0175 for sour service applications. This de ...

Haihao Group has successfully completed the supply and shipment of a comprehensive range of carbon steel flanges for a customer in Singapore. The order covers multiple ASME B16.5 flange types, pressure classes, and wall thicknesses, manufactured from ASTM A105N normalized carbon steel to meet th ...

Haihao Group has successfully completed the shipment of high-pressure RF flanges to a customer in the United Arab Emirates, supporting pipeline systems operating under demanding pressure and corrosion conditions. This delivery includes figure-8 flanges (spectacle blinds) and blind flanges, manuf ...

Haihao Group has successfully completed the supply of carbon steel flanges for a pipeline project in Kazakhstan. The shipment includes a range of welding neck flanges and blind flanges manufactured from ASTM A350 LF2 Class 1, fully compliant with ASME dimensional standards and designed for rel ...

Haihao Group has recently completed the production and shipment of a customized batch of high-pressure RTJ flanges for a long-term client in the United Arab Emirates. The order includes a wide range of ASTM A694 F60 carbon steel flanges and ASTM A182 F321 stainless steel blind flanges, manufactu ...

Haihao Group recently completed the shipment of high-pressure forged flanges and figure-8 blind flanges to an Indonesian customer, supporting an industrial piping project with strict requirements for low-temperature impact performance, pressure rating, and international standards compliance. Thi ...

Haihao Group recently completed the shipment of Class 600 stainless steel flanges for a customer in Malaysia. The order included Weld Neck Raised Face (WN RF) flanges and Raised Face blind flanges, all manufactured from A/SA182 F304H stainless steel and supplied in accordance with ASME B16.5 req ...

Haihao Group recently completed the delivery of a large batch of ASME B16.5 flanges for a customer in Pakistan. The order included weld neck flanges and socket weld flanges in multiple pressure classes, pipe schedules, and materials, meeting the demanding requirements of industrial piping system ...

Haihao Group recently completed the delivery of carbon steel flanges for a customer in Singapore. The shipment included a range of weld neck (WN) flanges and socket weld flanges, manufactured in accordance with ASME B16.5, widely used in industrial piping systems. These flanges are designed for ...

Haihao Group recently completed the delivery of for an industrial piping project in the United Arab Emirates. The flanges were produced in strict accordance with ASME B16.5 dimensional requirements and ASTM B564 material specifications, meeting NACE service conditions for demanding operating env ...