... export to Southeast Asia,Africa,Mid East,Eastern Asia,North America etc. 3. Standard :GB,ASTM,AISI, 1.Alloy plate2.thickness ... -Peng High-Pressure Alloy Pipe Sales Co.,ltd,which is a leading expoter and manufacturer in China. Our company insist on ... a "first-class management ,first-class quality,first-class efficiency,first- ...