
Jinan Civil Air Defense Building Design & Research InstituteShandong Sheng, China

Jilin University Zhuhai XueyuanGuangdong Sheng, China

Kaifeng Xinao Gas Co. Ltd.

Pujiang Jingfu Agricultural Technology Co., Ltd.Zhejiang Sheng, China

Huaxia Dong Brothers Trade Group Co. Ltd.

Tianjin Zhongjing Energy Engineering Co., Ltd.

Hangzhou Herber Biotechnology Co., Ltd.Zhejiang Sheng, China

Anhui Qintong Bottle Industry Co., Ltd.Anhui Sheng, China

Shang Hai Zhou Le Chuan Bo Gang Gou Jian You Xian Gong Si

Tianjin Canyu Metal Products Co., Ltd.Tianjin Shi, China

Hubei High & Middle Pressure Valve Co. Ltd.Hubei Sheng, China

Qingdao Lunyun Design and Research Institute Co., Ltd.Shandong Sheng, China