
Haihao Group has successfully completed the production and shipment of a large batch of forged flange products for a customer in Argentina. The order includes ASME B16.5 SA105 forged flanges in multiple designs, pressure classes, and connection types, including weld neck flanges, socket weld fla ...
Haihao Group has recently completed the manufacturing and shipment of a batch of ASTM A694 F65 blind flanges for a customer in the United Arab Emirates. The order includes 18 inch and 20 inch blind flanges rated at 2500# pressure class, manufactured according to customer drawings and project req ...
Haihao Group has successfully completed the production and shipment of a batch of ASTM A694 F52 flanges for a pipeline project in Oman. The order includes 20-inch weld neck flanges (WN RF) and 20-inch blind flanges (RF) manufactured in accordance with ASME/ANSI B16.5. Designed for demanding oil ...
Haihao Group has successfully completed the manufacturing and shipment of a batch of ASTM B564 UNS N06625 flanges for a Singapore customer. The order includes weld neck flanges, blind flanges, slip-on flanges, long weld neck flanges, and spectacle blind plates manufactured according to ASME B16. ...
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 ...
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 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 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 ...
Haihao Group has successfully completed the production and shipment of a GOST 33259 flange assembly for a customer in Belarus. The order includes a complete flange connection package consisting of an ASTM 321 weld neck flange, spiral wound gasket, stainless steel stud bolts, nuts, and washers, p ...
Haihao Group has successfully completed the production and shipment of a batch of EN 1092-1 Type 11 flanges and blind flanges for a customer in Montenegro. Manufactured from RSt 37.2 carbon steel, the products comply with EN 1092-1 Type 11 Form B requirements and are supplied with anti-rust oil ...
Haihao Group has completed the production and shipment of a 24-inch RTJ blind flange for an Indonesian pipeline project. Manufactured from ASTM A694 F65 material in accordance with ASME B16.5, the flange underwent heat treatment and full mechanical property verification to satisfy the project ...
Haihao Group has successfully completed the production and shipment of a comprehensive batch of ASTM B564 UNS N06625 flanges for a long-term customer in Singapore. The order includes socket weld flanges, welding neck flanges, and blind flanges manufactured in strict accordance with ASME B16.5, c ...