EN
Haihao specializes in serving high-quality engineering projects involving steel pipes, flanges, pipe fittings, piping sensors and piping equipment spares. With a commitment to excellence, we provide tailored solutions for industries such as oil and gas.
Application of oil pipelines. forging and Hammering,forging and pressing,intermediate frequency pushing, machining.cold forming.hot extrusion,heat treatmenf and other superb technologies.
