Shanghai Haoliu understands the extreme demands of petrochemical operations for maximum safety and reliability. Our high-pressure tube fittings and valves, manufactured from special-grade stainless steel with unique structural designs and precision machining, deliver exceptional performance under high temperature, high pressure, and highly corrosive conditions. 

With pressure ratings up to 100 MPa (exceeding industry standards by over 30%) and a dual-seal structure ensuring zero leakage, we provide trusted connection solutions for refinery units, reactors, and transmission pipelines.