Symphony Services International
Thermopatch BV
Spark Innovation LLC
Shandong Chaohua Environmental Protection Intelligent Equipment Co., Ltd.
Zhongke Yushu (Beijing) Technology Co., Ltd.
Liaoning Jingtong Shichuang Development Co., Ltd.
Suzhou Kaifeng Electronics Co. Ltd.
Wuxi Derui Power Technology Co., Ltd.
Beiqi Foton Vehicle Co., Ltd.
Jiangsu Jicui Metallurgical Technology Research Institute Co., Ltd.
Luoyang Rosen Technology Development Co.
Qingdao Xincheng Zhizhuo Rail Transit Equipment Co., Ltd.