Profile: Hebei Zhonghai Steel Pipe Manufacturing Corp. is a manufacturer of seamless, anti-corrosion, welded, and other industrial pipes. Our main products are seamless, hot-rolled, hot-expanded, and spiral steel pipes. These steel pipes are available with diameters from 8" to 48", with wall thicknesses from 6 mm to 60 mm. These industrial steel pipes are widely applicable for mechanical processing, boiler manufacturing, petroleum and natural gas transportation, and venue construction.