Zhong Zheng Exp & Imp Co.,LTD. is a supplier , professionally produce high purity quartz sand, sand glass, quartz powder. Our factory is located in Heyuan City, Guangdong Province. Where the quartz veins is one of the largest reserve, and the domestic quartz sand is rich ,high quality and the purity reach 99.5%. In order to meet the market demand for quartz sand (powder), our company has invested large of fund in introduction advanced production equipment and establish a mechanized mining team.