We are quartz products manufacturer in Donghai-China, the most famous quartz/crystal production base.The good natural raw quartz stone and our strict quality control will support you to get the best quality of products from us. We can supply:1)clear fused quartz glass tubes, quartz tubing2)UV-STOP quartz glass tubes3)opaque quartz glass tubes4)quartz rod5)quartz discs and quartz plates, quartz waferand many kinds of semi-finish products for lamp, heating, vessels and silica sand.For details please visit our website:***** or contact us: *****