Meishan Xinli Photoelectricity Co., Ltd. is a company specializing in the research, development, production and sales of micro potentiometers, touch screens, micro camera modules, fingerprint identification modules and other products. Quartz sand is one of the important raw materials in the production process of Meishan Xinli Optoelectronics Co., Ltd., which is used to manufacture micro potentiometers, touch screens and other products.