ng at the connection area quickluy and filling the gap of the connection area. While the vibrating stop, the work piece could be made cold and formed shape under certain pressure. Thus aperfect welding is completed.适用范围：玩具行业、家电行业、电子行业、文具行业、日用行业、通信行业、汽车行业、包装行业等The area of adaption：Toy industry, household electrical appliances, electronic stationery, everyday use , correspondence, qutomobile, packing and so on.