ZHENGZHOU KNOWN IMP. AND EXP. CO. LTD as the subsidiary company of State-owned group belong to attach government enterprise, Founded in 1986 with ISO9001-2008 international quality certification .brbrWith a wide range of junior and senior engineers and professional R>D design and manufacture of innovative high-tech enterprises. The company has a mature technology, professional and technical personnelOur company specializes in Food proceeding machine,farm machinepellet machine, wood proceeding machine and so on have a successes develope and win the high reputation with domestic and foreign customers..br