Grand Sources Hi-tech Materials Development Dalian Co., Ltd is a high technology enterprise which is majored for R&D, manufacture, processing and marketing of quartz glass products. Our main quartz glass products are various of quartz glass tubes, quartz glass rods, quartz glass twin tube, quartz glass plate & disc, quartz glass beads, quartz glass ingot, quartz glass big outer diameter tube, quartz glass domed tube, quartz glass instruments, fire working quartz glass products, cold working quartz glass products, and other kind of quartz glass products according to the drawing and requests of our customers. The center of R&D, manufacture and processing is located in Lianyungang, Jiangsu Province. Our marketing center is located in beautiful coastal city Dalian which is in northeast of China. Main cargo shipment ports are in Qingdao, Dalian, Shanghai, Beijing and other ports according to our customers' requests. Grand Sources Hi-tech Materials Development Dalian Co., Ltd use our stable patent technology, best quartz glass industry experiences......[ More ]