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Haihao Group Exports DIN Standard Slip-On and Blind Flanges to Vietnam for Industrial Pipeline Systems
Haihao Group recently completed the production and delivery of a batch of DIN standard flanges for a customer in Vietnam. The shipment includes slip-on (SO) flanges and blind flanges manufactured according to several DIN standards, including DIN2573, DIN2576, DIN2543, DIN2545, and DIN2527. These ... -
RTJ Weld Neck Flange Shipment to Russia – ANSI 2500 A350 LF2 CL1 Flanges by Haihao Group
Recently, Haihao Group successfully completed the production and shipment of RTJ weld neck flanges for a valued customer in Russia. These high-pressure flanges are manufactured according to ASME B16.5 standards and are designed for demanding pipeline systems where reliable sealing and structural ... -
Haihao Group Ships ASTM A105 WN Flanges, Spiral Wound Gaskets, and Spectacle Blind to Côte d’Ivoire
Haihao Group has successfully completed the production and shipment of carbon steel weld neck flanges, stainless steel spiral wound gaskets, and a spectacle blind flange to a valued customer in Côte d’Ivoire. This combined supply of ASTM A105 WN flanges and SS316 spiral wound gaskets ensur ... -
Haihao Group Ships Flat Face Plate Flanges to Australia
Haihao Group has successfully completed the production and delivery of flat face plate flanges (FF) for a customer in Australia. The flanges were manufactured according to project drawings with precise dimensional control, ensuring compatibility with the client’s piping system requirements ...



























