(1)Henan Doing Mechanical Equipment Co., Ltd,(3) is located in Zhengzhou city, Henan province, China.(5) Doing company is an enterprise integrating engineering, R&D, (2)equipment manufacturing and installation, (6)project contracting, technical services(6) and international trading(1) etc. We are mainly engaged in (5)starch and syrup processing plant,(7) cassava processing plant, (8)contains its stand-alone device. also gluten machine.(3) sales at doingmachinery(.)com