Protol
Putian Huarui Machinery Co., Ltd.
Shanghai Panhu Power Technology Co., Ltd.
Jiangsu Jicui Metallurgical Technology Research Institute Co., Ltd.
Shihezi Tianyu Xinshi Chemical Co., Ltd.
Tianchengsheng (Tianjin) Technology Co., Ltd.
Shandong Zhongnan Group Co. Ltd.
Zhuhai Zhihui Network Equipment Co. Ltd.
Fujian Rongcheng Testing Technology Co., Ltd.
Aliko OY Ltd.
East China Normal UniversityShanghai Shi, China
Chongqing Zhengbo Machinery Manufacturing Co., Ltd.