Coated Steel Gas Pipe for sale Company Profile Hebei Huayang Steel Pipe Co., Ltd. is one of the largest ERW and LSAW steel pipe manufacturers in Northern China. Established in 2005, we have a modern factory covering an area of 666,000 square meters, with over 900 employees and a fixed asset of 151 million USD, and annual output capacity is up to 1,600,000 Tons. http://www.hy-steelpipe.com/