Profile: Lianyungang Dongxin Quartz Products Co., Ltd. provides low-hydroxide transparent and ultraviolet-filtered quartz glass tubes. Our clear fused quartz glass tubes are available as continuous machine drawn, and automatic controlled tubing. This glass has typical characteristics such as spectral transmission, well controlled dimension, and lower OH. It is suitable for high speed streamline production and for further processing of trim cutting, fire polishing, bending and pinching.