... 1. CCTV High frequency welding machine 2. Pneumatic 3. foot control 4. 2-station operation Adv.: convenient,efficient, safe FEATURE ... :1. High frequency welding machine2. Pneumatic Cylinder3. foot controller 4. 2-station operation5. special for pvc plastic ... 1999, our company has constantly carried forward rigid quality control, guided by customers demand, aimed for customers' satisfaction, ...