Zhengzhou Double-lion Grain & Oil Machinery Co., Ltd. is a large joint-stock enterprise specializing in the production of grain and oil machinery since 1956. It integrates technology, manufacturing and sales together. Cooperating with Henan University of Technology (Former Zhengzhou Grain College) which have abundant talented person and science advantage, Zhengzhou Double-lion Grain & Oil Machinery Co., Ltd. has carried out the new technological research and application of oil machinery, flour milling machinery, coarse cereals machinery and feed machinery, etc., and transformed the latest scientific achievements into productive forces to obtain good social and economic benefit.