1) Competitive price 2) Brand material & accessories in China 3) Looks nice window & ready to install 4) Good sales service Upvc Sliding Door1) Upvc profile: 2.0mm, 2.2mm, 2.5mm, 2.8mm, 3.0mm thickness available.2) Steel reinforce: 1.0mm, 1.2mm, 1.5mm, 2.0mm, 2.5mm thickness available.3) Profile surface color: white UV coating mainly, double-color coextrusion profile, laminated wooden-color film ...