Beijing Boweixin Sanrui Door And Window Product Co., Ltd.

[ Manufacturer ]Main business are Plastic steel sliding door and window, Plastic steel pushing/pulling door and window, Plastic steel dissimilar door and window, Plastic steel sliding suspending door and window, Hollow glass.

Beijing Julong Xinyi Color Steel And Steel Structure Co., Ltd.

[ Manufacturer Trader ]Main business are Polyphenyl composite board, Steel structure, Rock wool composite board and so on.