Zhengzhou zhengpu import and export Co.,LTD is specialized in filter press and relevant products researching,and has our own brand named DIBO,the company have $20 million,covers an area of 25000 square meters,8900 square meters of office and production,besides,we have advanced technology,modernized producting line and faultless quality inspection system and has approved the ISO9001.the companny have 300 workers,including 58 professional and technical personnel.