QuFuChongDe Precision Machinery Co.,Ltd is a new high-tech private enterprise and it is specialized in research and development, production and sales,producing high precision CNC machine tools and machine tool accessories. QuFuChongDe has succcessfully developed collet chucks,CNC tools and other accessories with high accuracy, high precision and high speed, such as ER collets ,SK collets, EOC(OZ) collets , C-straight collets and BT/DIN69871(SK)CAT,HSK taper shank collet chucks, cutter head as well as other precision accessories, which are widely used in the machines with high balance and high accuracy.