Jinjie machinery,which is located in tianqu industrial park of dezhou,shangdong province in china,is a manufacturer for machine tool accessories as collet,tool holder,and provides precision machining all over the world. we are specialized in collet,tool holder,pull stud,and many others,and also,we deal with some kinds of machining service,if you are interested in,please feel free to contact us. we insist on innovition of technique and excellence of quality.