Beijing Zhong Cheng Quartz Glass Co., Ltd.
Address : Hou Bai Hu Jian 26, Yangfang, Changping District, Beijing, China
Tel : +86-10-6976-6700
Fax : +86-10-6976-6671
          +86-10-6976-6393
Mobile : +86-10-13910977974
Email : sales@quartzwork.com