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Tianjin Textile Engineering Institute

Zhejiang Saijie Electric Co., Ltd.Zhejiang Sheng, China

Shenzhen Ponengda Electronics Co., Ltd.Guangdong Sheng, China

XIAMEN RETONE HEARING TECHNOLOGY Co Ltd

Shenzhen Jian'an (Group) Co., Ltd.

JET LARGE LIMITED

Shenzhen Hemiao Analytical Instrument Co., Ltd.Guangdong Sheng, China

Shandong Bairun Agricultural Development Co., Ltd.Shandong Sheng, China

Zhengzhou Shencao Biotechnology Co., Ltd.Henan Sheng, China

Vector Corrosion Technologies LtdManitoba, Canada

Yanyi New Energy Technology Co.,LtdAnhui Sheng, China