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 ...

Haihao Group has recently completed the production and shipment of a 10-inch ASME B16.48 spectacle blind flange for a customer in Singapore. Manufactured from ASTM A516 Grade 70 carbon steel, the product is designed for pipeline isolation in industrial processing systems where operational safety ...

Haihao Group has recently completed the production and shipment of a comprehensive batch of ASME B16.5 A350 LF2 flanges for an industrial pipeline project in Russia. The order includes weld neck flanges, socket weld flanges, threaded flanges, blind flanges, reducing flanges, and spectacle blinds ...

Haihao Group has successfully completed the production and shipment of a batch of SS304 PN16 flange products for a customer in Malaysia. The order includes Type 01 raised face (RF) plate flanges manufactured from stainless steel 304 in two common sizes, providing a reliable piping connection sol ...

Haihao Group has recently completed the production and shipment of a batch of ASTM B564 UNS N06625 Blind Flange products for a valued customer in Singapore. The order includes 4-inch RF Blind Flanges, Class 600, manufactured in accordance with ASME B16.5. These flanges are designed for demanding ...

Haihao Group has successfully completed the production and shipment of a batch of ASME B16.5 blind flange with NPT tapping products for a customer in the United Kingdom. The order includes low-temperature carbon steel and stainless steel blind flanges designed for pressure piping systems that re ...

Haihao Group has successfully completed the production and shipment of a batch of ASME B16.5 A105N flange products for a customer in Singapore. The order includes welding neck flanges, blind flanges, and socket weld flanges manufactured from ASTM A105N forged carbon steel, meeting the dimensiona ...

Argentina remains an important market for industrial piping systems serving the oil & gas, petrochemical, water treatment, and power generation sectors. Recently, Haihao Group completed another successful shipment of forged flange products to an Argentine customer, covering a wide range of p ...