... of 2900*4500mm2, we introduce the anvanced coating glass techonology of VON-ARDENNED.3, this line takes ... /2 of other chinese glass factories . 8,advantages of products:1,our Low-e glass quality is better than other ... also be tempered .2,the tempered piece of low-e glass can last 3 months in the normal environment ... oxidated .3,after being tempered ,our low-e glass reflection and AB value will not change ...