Titanium Rod, Molybdenum Rod, Aluminum Tube manufacturer / supplier in China, offering Q195 Q235 Q355 1/2inch 1inch 2inch 3inch 6m 9m 12m Galvanized Pipe Round Pipe Galvanized Steel Pipe Tube, Greenhouse Construct Hot Dipped 1/2inch 1inch 2inch 3inch Gi Steel Round Galvanized Iron Pipe Tube, Heavy-Duty Custom Size 99.95% High Density Pure 10mm-18mm Thickness Tungsten Plates Tungsten Sheet and so on.