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ZF Ansa Lemforder SL

Serco GmbH & Co. KGGermany

Xinghua Chengshun Fire Technology Research Institute Co., Ltd.Jiangsu Sheng, China

Nagao Seikansho KK

Greno (Xiamen) Switch Co., Ltd.Fujian Sheng, China

Liyang Josen Plastic Co. Ltd.Jiangsu Sheng, China

Cadence Environmental Energy, Inc.

Shanghai Baoshan District Youth Science and Technology Guidance Station

Jiangsu Ruibot Intelligent Technology Co., Ltd.

Shunke Zhilian Technology Co Ltd.

doosan co., ltd.