We make hard glass glass bulb for HPS lamp, MH lamps glass ... light, high pressure sodium lamp, street light.Type:We make hard glass for in T type, BT type, ED type, ... TO type, so on.T37.5X180, T37.5X208, T46X220, T46X265,T46X290,TO46,ED55 ... ,ED75,ED90,ED120,BT90,BT120Material: high borosilicate glass, hard glass We will carry out high quality, competitive price, ...