Gongyi City Sinon Machinery Manufacturing Co., Ltd. is located in an economic and technological development zone of Gongyi in Henan Province with beautiful surroundings, convenient transportation and excellent position. Our company was founded in 1980s with an area of 28,000 square meters. There are more than 300 workers, including 80 professional engineering technicians. As a professional manufacturer, our company provides complete sets of mine selection machines and sand making equipment. ...