Nanyang Guanghui Machinery Plant of Henan Province is the appointed factory for especially producing flour-milling machine by Machinery Industry Department. It is the national second-grade enterprise, the star enterprise of China. It is the unite of strictly abiding by contract and keeping credit. It is the first enterprise that pass through the ISO 9001 quality system certification. It was established in the fifties and have more than 1600 staffs and 400 kinds of professional technicians. with its rich technique, well equipped technology, advanced testing method and perfect quality-managed system and the modernized production-line producing flour-milling machine, the output, quality, sales volume, export volume are in the lead in the same line. It is the biggest enterprise in the same line in China.