Shenzhen Sen Tongyuan Technology Co., Ltd. was founded in 2008, is located in Guangdong Shenzhen City, is a professional engaged in engraving machine spindle /PCB drilling machine spindle head and spindle speed CNC / gongs engraving machine and various high-end high speed spindle production / maintenance of high-tech enterprises. As a professional spindle supplier, it provides professional spindle service in mobile phone