... Month, Pregalvanized Steel Pipe 2,000 Tons / Month, Square Rectangular Steel Pipes 2,000 Tons / Month, Scaffolding Steel Pipes 1,500 ... Tons / Month Welded Steel Pipe 15,000 Tons ... Dipped Steel Pipe 20,000 Tons, Pregalvanized Steel Pipe 20,000 Tons, Square Rectangular Steel Pipes 20,000 Tons, Scaffolding Steel Pipes ...