Yantai Dongsen Door And Window Co., Ltd. (Weichang Aluminium)

Yantai Fuqiang Door And Window Decoration Engineering Co., Ltd.

Yantai Jumei Door And Window Co., Ltd.

Shandong Weika Door And Window Technology Co., Ltd. (Wei Kaxini Sunny Fang)

Yantai Wanjing Door And Window Co., Ltd.

Shandong Yantai Bite System Door And Window Co., Ltd.