... ) as well as the finished products ready for installation (including window, door,louver, curtain wall, handrail, roller shutter, office partition ... the advantages of our products?* Meet Standard "Energy Efficiency" * Safety& Security * Easy to operate * Good sealing & Water proof & etc ... 6063-T5 1.2mm--2.0mm, Normally 1.4mm for window, 2.0mm for door Anodized, Sliver & Bronze Powder Coating ...