Yantai Huayang Petrochemical Engineering Co. Ltd.

We are a China-based original manufacturer with 15 years of experience in designing and producing marine auxiliary equipment and shipboard piping systems. Our core products include: Inert Gas Generators IGG Deck Water Seal Units Pressure/Vacuum Relief Valves PV Valves Marine pipes, fittings and skid-mounted piping packages Custom engine-room piping assemblies Pressure Vessels As a factory-direct supplier, we control the full process: engineering review material traceability fabrication hydrostatic / functional testing painting packing documentation. This allows us to offer competitive ex-works prices, short lead times, and stable quality for owners, ship managers, shipyards and retrofit projects. We welcome RFQs for newbuild packages, spare units and emergency replacement. Send us quantity, vessel type, class society, drawing/interface and delivery port we reply with technical proposal commercial offer.