Haihao Group has successfully completed and delivered a batch of RF blind plate flanges for low-temperature service for an industrial pipeline project. Manufactured in strict accordance with ASME B16.5, this order demonstrates our strong capability in supplying high-performance flanges for criti ...

Haihao Group has successfully completed the production and shipment of a wide range of spectacle blind products designed for demanding industrial environments. These components are engineered to meet strict requirements for sour service and low-temperature applications, ensuring safety and long- ...

Haihao Group has successfully completed the production and delivery of high-quality ASTM A105N weld neck flange products for industrial piping systems. This shipment demonstrates our strong capability in supplying durable carbon steel flanges that meet international standards and diverse project ...

Haihao Group has successfully completed the production and delivery of premium ASTM A182 F316L weld neck flange products for industrial piping systems. This shipment reflects our strong capability in supplying high-performance stainless steel flanges that meet strict international standards and ...

Haihao Group has successfully completed the production and shipment of a high-quality spectacle blind flange for industrial pipeline systems. This project highlights our ability to supply precision-engineered piping components that meet strict international standards and demanding service condit ...

Haihao Group has successfully completed the production and shipment of premium spade blind flange products for an international industrial project. Designed for reliable pipeline isolation, this order once again demonstrates our expertise in manufacturing high-performance piping components that ...

Haihao Group has successfully completed the production and delivery of a batch of octagonal ring joint gasket products designed for high-pressure flange connections. These gaskets are manufactured with precision and strict quality control to ensure reliable sealing performance in demanding indus ...

Haihao Group has successfully completed the production and delivery of a batch of weld neck flanges and blind flanges for an international pipeline project. These flange products were manufactured in strict compliance with global standards and tailored to meet diverse operational requirements. O ...

Haihao Group has successfully completed the production and shipment of a batch of stainless steel weld neck flange to Russia, designed for highly corrosive environments and strict international project requirements. These flanges are manufactured using 6-molybdenum stainless steel (ASTM A182 F44 ...

Haihao Group has successfully completed the production and shipment of a high-specification blind flange to UAE, designed for demanding DPE engineering projects. This large-diameter flange is engineered for reliable pipeline isolation under high pressure and low-temperature conditions. Project O ...

Haihao Group has successfully completed the production and shipment of a batch of spectacle blind flanges to UK, designed for high-pressure pipeline systems. This order includes RTJ (Ring Type Joint) figure-8 blinds in Class 1500 and Class 2500, meeting strict international standards for reliabi ...

Haihao Group has successfully completed the production and delivery of a batch of ASTM A350 LF2 flanges to Russia, supporting a pipeline project operating under low-temperature conditions. Project Overview: ASTM A350 LF2 Flanges to Russia The order includes a wide range of ASTM A350 LF2 flanges ...