Second-tier brand doors and windows are ranked as: ropskin doors and windows, Dongliang aluminum door and window, Jinpeng aluminum, pine and bamboo aluminum, fen'an, haomei aluminum, gaodeng aluminum, Minfa aluminum, yunaluminum and so on.
The second-line brands of doors and windows are ropskin doors and windows, Dongliang aluminum door and window, Jinpeng aluminum, pine and bamboo aluminum, fen'an, haomei aluminum, gaodeng aluminum, Minfa aluminum, yunaluminum aluminum, guangaluminum, Minxin, Fengmei, Dongming, heping, Jiangxi jinxinfa, Sichuan Sanxingdui, Xi'an Gaoke, Anhui Shengxin, Hebei Lier, Liaoning totian, Guoyi, Conglin River and other brands.
