... with more than 60 specifications. we can supply many type welding gun.Features: 1) Water cooled2) Rated cyclic duration factor ... performance: no leakage under 0.1MPa6) Many models availbale for your wide choice: QS-150A, QS-160A,QS-200A, ... QS-250A, QS-300A, QS-350A, QS-400A, QS-500A, QS-600A, QQ-100A, QQ ... 300A, WP-9, WP-17, WP-26FPacking: Carton TIG Welding Gun for welding machine