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Haihao Group Delivers Large-Diameter SA/A105N Flanges for a Singapore Industrial Pipeline Project
As industrial infrastructure projects continue to expand across Southeast Asia, demand for reliable forged steel flanges remains strong, particularly for large-diameter pipeline systems operating under demanding service conditions. Recently, Haihao Group completed the production and shipment of ... -
ASTM A694 F65 Welding Neck Flange ASME B16.5 Supplied to Singapore for Sour Service Pipeline Project
Haihao Group recently completed the production and shipment of a batch of ASTM A694 F65 welding neck flange ASME B16.5 products for a customer in Singapore. The order was manufactured for a pipeline project requiring high-strength carbon steel flanges suitable for sour service environments. The ... -
ASME B16.20 Spiral Wound Gaskets Supplied to Singapore for Industrial Pipeline Sealing Applications
Haihao Group recently completed the production and shipment of a batch of ASME B16.20 spiral wound gaskets with graphite filler to a customer in Singapore. The order included spiral wound gaskets manufactured with stainless steel winding elements, graphite sealing material, and inner and outer g ... -
ASTM A350 LF2 Flanges and ASME B16.48 Spectacle Blinds Delivered to Turkey for Sour Service Pipeline Project
Haihao Group recently completed the production and shipment of a batch of ASTM A350 LF2 flanges for sour service to a customer in Turkey. The order included welding neck flanges, socket weld flanges, and spectacle blinds designed for critical pipeline systems operating in low-temperature and cor ...



























