Haihao Group has successfully completed a new shipment of weld neck raised face (WN RF) flanges for an important customer in Dubai. Manufactured in accordance with ASME B16.5, the flanges meet strict mechanical and dimensional requirements for high-pressure pipeline systems in oil, gas, petroche ...

Haihao Group has successfully completed a new shipment of weld neck flanges (WN RF) for a long-term customer in the United Arab Emirates. The order includes a full range of ASME B16.5 high-pressure weld neck flanges, produced in both ASTM A350 LF2 CL.1 and ASTM A182 F11 CL2 materials to meet dem ...

Haihao Group has successfully completed a new shipment of ASTM A105N forged flanges for a long-term customer in the United Arab Emirates. The order includes a selection of socket weld flanges (RF) and weld neck flanges (RF) designed for high-pressure piping applications. All products are manufac ...

Haihao Group has successfully completed a new shipment of spectacle blinds and RTJ blind flanges for a long-term customer in the United Arab Emirates. All products are designed and manufactured in strict accordance with ASME standards, ensuring reliable sealing performance and long-term durabili ...

Haihao Group has recently completed a shipment of A105 ASME B16.5 flanges for a valued customer in Portugal. This batch includes a diverse range of weld neck flanges, slip-on flanges, and socket weld flanges, manufactured in accordance with the strict dimensional and pressure requirements of ASM ...

Haihao Group has recently completed a shipment of high-performance ASME B16.5 forged steel flanges for a long-term customer in the United Arab Emirates. The order includes a wide range of RF weld neck flanges, RTJ blind flanges, and galvanized flat-face blind flanges, all produced to meet demand ...

Haihao Group has successfully completed the production and shipment of SS316L flat face flanges for a long-term client in Dubai. The order includes DN80 PN6 and DN100 PN6 flat flanges, manufactured strictly in accordance with EN 1092-1. These stainless steel flanges will be used in a low-pressur ...

Haihao Group has completed a new shipment of ASME B16.48 spectacle blinds for a long-term customer in Singapore. The order includes a full range of sizes from 1 inch to 4 inches, covering 150#, 300#, and 600# pressure ratings. These spectacle blind flanges are manufactured in accordance with str ...

As part of a recent offshore maintenance operation in Singapore, Haihao Group successfully delivered a batch of custom cladded swivel flanges engineered to meet demanding subsea service conditions. The components were manufactured in strict compliance with API 17D requirements, ensuring reliable ...

Haihao Group has completed another international delivery, providing a set of ASTM A350 LF2 forged steel flanges to a customer in Kazakhstan. The order contains welding neck flanges, blind flanges, and RTJ-type welding neck flanges, all engineered for low-temperature and sour-gas environments. E ...

Haihao Group has successfully shipped a batch of 12-inch 2500# S32760 / F55 RTJ paddle blinds, manufactured strictly according to the client’s drawing dimensions and project requirements. This delivery once again demonstrates our capability to produce customized high-performance piping isolation ...

Haihao Group has completed another successful shipment of carbon steel flanges for a valued customer in Singapore. The products include weld neck flanges and galvanized blind flanges, both manufactured to ASME B16.5 Class 150 standards. Designed for strength and durability, these flanges meet th ...