Protec Tools Manufacturing(Shanghai)Co.,Limited ,was established in 2004. Since established we put our target on help our customers "WORK IT EASIER" . In China , we have an ancient idiom " THE ONE WANTS TO WORK FAST , SHOULD SHARPEN HIS TOOLS FIRST" . So , as a professional and experiened diamond cutting and drilling tools manufacturer , To give our customers best quality tools , make them work easier , more efficient and lower cost