
ABOUT US
Precision flanges for demanding applications
HYS Flanges Co. Ltd manufactures high-quality flanges for oil and gas, refining, power generation, shipbuilding, offshore engineering, chemical processing, and other industrial applications. Our flanges are engineered for reliable connections, long service life, and performance across low- and high-pressure systems.
Mill test certification is available upon request.
Butt-weld fittings for reliable piping connections
HYS Flanges Co. Ltd produces butt-weld fittings for industrial piping systems, including elbows, tees, reducers, end caps and stub ends. Designed to be welded directly to pipe ends, these fittings are available in a range of sizes and wall thicknesses to meet project requirements.
Mill test certification is available upon request.