-
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 ... -
Haihao Group Supplies GOST 33259 ASTM 321 Weld Neck Flange Assembly to Belarus
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 ... -
EN 1092-1 Type 11 WN Flanges and Blind Flanges Delivered to Montenegro by Haihao Group
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 ...



























