1.XINGHUA pure copper cutting torch;
2.All parts of the cutting torch are made of pure copper so it's difficult to bend during usage and so will not change color after long-term usage;
3.It¡¯s difficullt for our product to bend during usage for we use enough thick brass tubes;
4.The welding position will not be moved for using high-frequency ultrasonic to weld;
5.By machinery industry JB/T6970-93.