Hunan Chenzhou Grain and Oil Machinery Co., Ltd. (also known as Chen Grain Machinery, CLJ) was founded in 1967 and is a backbone enterprise specializing in the production of grain processing and warehousing machinery. The company's headquarters is located in Chenzhou High-tech Industrial Park, and its wholly-owned subsidiary Changsha Wanhua Machinery Co., Ltd. is located in Changsha High-tech Industrial Park. The company has obtained the right to import and export by itself, and has passed ISO9001 certification, intellectual property management system certification, environmental management system certification, and occupational health and safety management system certification.

As a one-stop solution provider for post-harvest processing of grain, the company has always adhered to the corporate philosophy of "promoting enterprises through technology and serving the country through industries". The company is guided by market demand and driven by technology and innovation, and is committed to high-quality products and sincere customer service to enhance its core competitiveness. The factory area is 86,000 square meters and has more than 100 sets of various CNC and testing equipment.

The company has an industry-leading R&D team and production equipment, and has developed more than 20 series of 100 models of products, including but not limited to rice cleaning machines, rice stone removal machines, rice hulling machines, rice separators, rice polishing machines, Rice grader, microcomputer automatic controller, complete rice mill, grain storage machine, grain dryer, etc., its technology and performance are leading at home and abroad. The products are sold well across the country, exported to more than 20 countries and regions including Europe, Southeast Asia, South Asia, South Africa, Africa, and Africa, covering almost all grain-producing areas in the world.