... requirements in sizes & colors. Glass tube, Glass Tubing, Fluorescent Tube, Light Tube, Flare Tube, Exhaust TubeManufacturing and supplying different kinds ... Free Glass Tube-Soda Lime Glass Tube-Borosilicate Glass Tube (3.3 & 4.0 esp. GG17)-Quartz Glass Tube-Colorful Glass Tube & Rod ... (i.e. Red, Green, Blue or Yellow)-Neutral Glass Tube (i.e. ...