... frequency welding, ultrahigh frequencyCustom Order: AcceptPlace of Origin: Dongguan China (Mainland)Images: Why Us:Competitive price, please email ... Hot stamping/Glitter printing and moreEstablished in 2003, Dongguan City Johnson Industrial Co., Ltd. is located in No. 6, LiShi, ... Changping Town, Dongguan City, Guangdong Province. We are one of ...