This clear quartz rod has the charateristics of high purity, heat resistance and low coefficient of thermal expansion.It service as the material of the bridging rod for single-ended halogen lamps , ....
Lianyungangshi Dongxin Quartz Company Co., Ltd.is situated at Donghai county, Lianyungang city, where is near the city of Shanghai , one of the picturesque coastal cities of China. Well known as ....