We are factory specializing in the manufacture and export of glass tubes made of borosilicate glass3.3 
Our glass tubes enjoy a market share of more than 25 per cent in china and their quality ranks first in the same industry in china.
 
We also have R&D staff to customize our products according to client's order. And expressly, our price is very competitive because we are manufactory, we are the source
 
We make and export hard glass shells, exhaust tube, flare tubing used for HID lamps, street lamps, sodium lamp, mercury light and so on.

1) Made of borosilicate glass 4.0

2) type:
 
Lighting bulb/shell
 
We make hard glass bulb for HID lamp in T type, BT type, ED type, TD type, TO type, so on.
T37.5X180,T37.5X208,T46X220, T46X265,T46X290,TO46
ED55,ED75,ED90,ED120
BT90,BT120

Exhaust tubing:
 
Φ4.4+/-0.2(od)  x  0.8+/-0.075(thickness) x  1190(L)
Φ4.4+/-0.2 (od)  x  0.9+/-0.075(thickness) x 1190(L)
Φ5.0+/-0.2 (od)  x  0.8+/-0.075(thickness) x 1190(L)
Φ5.0+/-0.2 (od)  x  0.9+/-0.075(thickness) x 1190(L)
 
Flare tubing:
 
Φ13.5(od)  x1.2thicknessx  1175(L)
Φ13.5(od)  x1.3thicknessx  1175(L)
Φ15(od)  x1.2thicknessx  1175(L)
Φ17(od)  x1.3thicknessx  1190(L)
Φ17(od)  x1.2thicknessx  1175(L)
 
Glass rod:
 
Φ4.1 (od) x1190(L)