
Infrastructure Testing Institute of China Academy of Railway Sciences Group Co., Ltd.

Wuhan Kecheng Foundation Engineering Co., Ltd.Hubei Sheng, China

Kunming Sanhe Structure Manufacture Co. Ltd.Yunnan Sheng, China

Yufing Intelligent Technology Group Co., Ltd.Guangdong Sheng, China

Hefei Zhiding Electronic Control Automation Technology Co., Ltd.Anhui Sheng, China

GuangDong Fast Elevator Co.,LtdGuangdong Sheng, China

ANHUI WODE VALVE MANUFACTURE CO.,LTDAnhui Sheng, China

Kunming Hongmao Planting Co., Ltd.Yunnan Sheng, China

Beijing Er'qi Tiefenglong Technology Co., Ltd.Beijing Shi, China

Hubei Engineering Vocational College

Wootion Technology Co.,Ltd.Hebei Sheng, China

Changning Fuhong Spring Co.