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Meet Haihao Group at NEFTEGAZ 2026 – Your Trusted Partner for Pipeline Solutions
NEFTEGAZ 2026 is approaching, and Haihao Group is pleased to invite global oil and gas professionals to meet us in Moscow this March. Together with Ganyeah Group and FNS Pipeline Technology Co., Ltd., we will present a strong and coordinated presence at one of the most influential energy exhibit ... -
ASTM A350 LF2 Blind Flanges Delivered to Russia | Haihao Group
Haihao Group has successfully completed the shipment of high-pressure blind flanges to a customer in Russia. The products were manufactured in strict accordance with ASME B16.5 and produced from ASTM A350 Grade LF2 Class 1, ensuring reliable performance in low-temperature and high-pressure servi ... -
DIN 2576 Stainless Steel Flanges Shipment to Vietnam
Haihao Group recently completed a shipment of DIN 2576 stainless steel flanges for a customer in Vietnam.The order included blind flanges and slip-on flanges (SO) with flat face (FF) design, manufactured from AISI 316L stainless steel and supplied in accordance with DIN 2576 PN10 requirements. T ... -
Blind Spade Shipment to Singapore – ASME B16.48 Carbon Steel Line Blinds
Haihao Group recently completed a shipment of carbon steel blind spades for a customer in Singapore.The order covered a wide size and pressure range, manufactured strictly in accordance with ASME B16.48, using ASTM A105N carbon steel with flat face (FF) sealing surfaces. These blind spades are d ...



























