... borosilicate 4.0 glass 2) Used for HID lamps. 3)Machine blowing glass shell1.Material: high borosillicate ... Used for HID lamps3.Machine blowingWe manufacture borosilicate lighting glass shell, The total output of machine- ... , high pressure sodiun lamp, street light ..Type:We make hard glass shells for in T type, ... ,R85,R95,R115,R125,ED-R125,P110,P130.We will carry out high quality, competitive price, ...