Henan Doing Mechanical Equipment Co.,Ltd belongs to Shanghai Yonghong Group.Henan Yonghong group Doing Mechanical Equipment Co.,Ltd is specialized in palm fruit oil machine, palm kernel oil machine, crude palm and palm kernel oil refinery. Our company has research institution which develops new products and we have our own experimental base, and we are committed to bringing in new technology, renewing products, keeping leading in this field, such as fresh palm fruit crusher, palm fruit oil expeller, palm kernel oil expeller, palm oil refinery and so on.