China Used Machine Network was founded in 1989. It is a professional information service institution with the oldest history, largest membership and widest influence in China.   The membership of CUMN covers throughout the country and extends all machine and industrial equipment lines. Many China leading machine manufacturers and dealers are members of CUMN.   Shanghai Zhongshe Information Network Co., Ltd. is in charge of the daily management of CUMN. Shanghai Zhongshe Machinery Import & Export Trade Co. which is belonging to CUMN, specializes in used machine import & export works.   CUMN sticks to promote worldwide business relations in used machine field.