long life

Special protection, lightingluminous dffciency, high bright, small luminophor, long life, excellent color rendering index.

该玻壳内设有反射层，高发光效率，高亮度，体积小，寿命长，光色，显色性。

The lamp cup is made from Germany-original anodic alumian of high purity, featuring long life and durability.

杯采用高纯铝雾面阳氧化处理，永久耐用。

By the adjustment of the board in the machine ,the sprinkling orientation and area can be adjusted .The whole vehicle is rotproof and has a long life of usage.

通撒布器的挡板，可以撒布方向和区域进行，车采取防腐处理，经久耐用。

Test results show that it has the advantages of good insulation effect, long life, low cost and simple making process.It is the substitutor of import insulating sleeve and has widely applied prospect.

该冒口套具有保温效果，寿命长，价廉，制作工艺简单，是进口冒口套的替代品，具有推广应用价值。