As a leading high tech enterprise with expertise in fused quartz glass, optical elements and optical glass, Beijing Zhong Cheng Quartz Glass Co., Ltd. (ZCQ) has nearly 20 years of experience. With our location in the Changping District, Beijing, China and a foundation in 1998, we place quality first, as well as intelligent management for development, and technical innovation, all allowing us to become a top industry player for fused quartz and optical glassware supply. Details