10 STEEL PLASTIC COMPOUND PRODUCTION LINES

16 ERW ROUND PIPE PRODUCTION LINES

15 SQUARE AND RECTANGULAR STEEL PIPE PRODUCTION LINES

6 GALVANIZED SQUARE AND RECTANGULAR STEEL PIPE PRODUCTION LINES

16 GALVANIZED ERW ROUND PIPE PRODUCTION LINES

5 SPIRAL STEEL PIPE PRODUCTION LINES

2 PLASTIC COATED STEEL PIPE PRODUCTION LINES

2 GUARD RAIL HOT DIP GALVANIZE PRODUCTION LINES

1 ALUMINIZING PRODUCTION LINE

1 PLASTIC SPRAY-PAINT PRODUCTION LINE