
Zhejiang Guangzheng Power Materials Co.,Ltd.Zhejiang Sheng, China

Shenzhen Asia Pacific Future Education Technology Development Co., Ltd.Guangdong Sheng, China

Xi'an Yufengtonghao Technology Co., Ltd.Shaanxi Sheng, China

Hangzhi Electromechanical Co. Ltd.Zhejiang Sheng, China

Tianjin Wuqing District Qijie Machinery Manufacturing Co., Ltd.Tianjin Shi, China

Shenyang Colette Safety Equipment Co., Ltd.Liaoning Sheng, China

Liuzhou Xulong Auto Parts Co., Ltd.Guangxi Zhuangzu Zizhiqu, China

Shiyan Houfa Auto Parts Co., Ltd.Hubei Sheng, China

State Key Laboratory of Shield Tunneling and Tunneling Technology

Jiangyin Hengfeng Plastic & Glass Co., Ltd.Jiangsu Sheng, China

Yancheng Haohui Pipe Fittings Co., Ltd.Jiangsu Sheng, China

Hebei Wanrui Medical Equipment Co., Ltd.Hebei Sheng, China