Borosilicate Glass Tube Tubing Rod, Glass Ceramic Pyroceram Ceran Neoceram, Lamp Lantern Lighting Glass Chimney Cover Shade manufacturer / supplier in China, offering Amber Neutral Glass Tubing for Ampoules and Vials, Glass Capillary Tubing for Thermistors Chip Sealing, Glass Tubing and Rods to Seal Kovar and Tungsten. and so on.