Tianjin Zhayi Steel Group Co., Ltd.
[ Manufacturer Trader ]Main business are Hot rolled strips, Cold rolled strips, Hot rolled sheets, Cold rolled sheets, Welding pipes, Cold bend shape steel, Hot rolled round bars, Elevator's T-type guide rails, Seamless tube blooms, Top quality reinforced bars.
1st Machinery Works Of North China Petroleum
[ Manufacturer ]Main business are Pipeline internal coating, Spiral-seam submerged-arc welded steel pipe, Special walking-beam pumping unit, Thread protector for drill pipe, Air Filter for Z12V 190B Diesel Engine, Diesel engine repairing series, Tanks for storing oil or water, Oil-extract