!Hebei Yanghao pipe manufacturing Co., LTD.. Is a collection of r &d, production, processing and trade in an integrated enterprise, equipped with alloy steel, stainless steel, carbon steel material such as elbow, bend, reducer , tee, cross, flange,socket fittings and more than 300 kinds pipe series products, and may, according to different requirements of customers, using ASTM, MSS, JIS, DIN, ISO international standard design production, the company has the most advanced intermediate frequency elbow push the production line, the 2500 T hydraulic machine, intermediate frequency pipe...