Ball Import and Export trade CO., LTD is specialized in product development and production of quartz sand. Our company relies on local abundant high-quality quartz stone resources, with advanced technical equipment and production processes. We stick to the business philosophy of "professional, quality, integrity", and adhere to the roads of professional, large-scale development. Well received by customers, we provide our clients with high quality natural quartz stone. Ball has hundreds of tons of high quality quartz stone with its sio2 content is greater than 98.6% and high quality and High-grade ball.