Gusdorf Corp.
Chongqing Yuxinjie Curtain Wall Door & Window Engineering Co.Chongqing Shi, China
Beijing Ziguang Xinneng Technology Co., Ltd.
Dongguan Changtong Precision Industry Co. Ltd.
DIMA HOLDINGS Co.,Ltd.
Gyeongdo CorprationSouth Korea
Suqian Yifan Technology Co., Ltd.Jiangsu Sheng, China
Tianchang Tianxiang Machinery Factory
Asia Dragon Electric Co., Ltd.
Tarmac Roadstone Holdings Ltd.
Puyang Huaxiang Light Source Material Co. Ltd.
Nantong Chuangyida New Material Co., Ltd.