Pingyuan Haotian Machinery Co.,Ltd. is located in the largest production base of machine tool accessories in China.We are specialized in researching,producing and developing many kinds of collets,drill chucks, CNC tool holders,retention knobs,ER nuts, ER spanners,machine vises,parallel blocks and so on. With high precision and full varieties.All of our products are deeply trusted by customers both at home and abroad.
