- 140 high-frequency tube welding machine
- 2017-02-07 21:55
- 140high-frequency welding machine can prodce:1.the square pipe range :Φ60------Φ140mm2. the rectangle pipe range
- Automatic width adjustable cold roll forming machine
- 2016-11-01 00:20
- cold roll forming machineProcess of productionStrip steel loading ---roll forming ----hydraulic cutting ------products u