Shanghai Xinchang Door And Window Co., Ltd.

Kawei Tegaoduan System Door And Window Shanghai Headquarters (Trumpet Shell Fenglv Xingfa Weiye Doors and Windows Wholesale)

Zhongxinlai Door And Window Business Division - Shanghai Congyuan Industry Company Ltd.

Shanghai Shanqing Plastic-steel Windows and Doors Co., Ltd.

Shanghai Xiangshi Door Industry Co., Ltd.

Chennan Aluminus-plastic Door and Window Business Department