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Haihao Group Delivers Carbon Steel Blind Flanges for an Industrial Project in India
Haihao Group has successfully completed the production and shipment of a batch of Q235B blind flanges for an industrial customer in India. The order includes multiple sizes of FF (Flat Face), RF (Raised Face), and RJ (Ring Joint) blind flanges, covering pressure classes from Class 150 to Class 6 ... -
Haihao Group Completed Flange Shipment to Spain with EN 1092 and ASME B16.5 Standard Flanges
As part of its ongoing supply of industrial piping components to the European market, Haihao Group has successfully completed the production and shipment of a mixed batch of EN 1092 flange products and ASME B16.5 flanges for a customer in Spain. The order includes several commonly used flange ty ... -
Haihao Group Ships 28″ SS316L Paddle Blank and Spacer for Singapore Pipeline Project
Haihao Group has successfully completed the production and shipment of a 28-inch SS316L paddle blank and spacer for a customer in Singapore. Designed for pipeline isolation and maintenance operations, the products were manufactured with Raised Face (RF) sealing surfaces and a Class 600 pressure ... -
Haihao Group Delivers ASTM A182 F55 Super Duplex Weld Neck Flange to Singapore Project
Haihao Group has successfully completed the production and shipment of a 10-inch ASME B16.5 Weld Neck Flange manufactured from ASTM A182 F55 Super Duplex Stainless Steel for a customer in Singapore. The flange was produced according to strict project specifications, including ferrite content con ...



























