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John W. Raff, PhDAustralia
Ka Fung Industrial Technology Huizhou Co. Ltd.
Tongcheng Xinfeng Color Printing & Packaging Co., Ltd.Anhui Sheng, China
Beijing Kangkerui Engineering Testing Technology Co., Ltd.Beijing Shi, China
Shanghai Chetu Information Technology Co., Ltd.Shanghai Shi, China
Linktech Electronics(China)Co.,Ltd.Beijing Shi, China
Guangzhou Zhongda Baixun Information Technology Co., Ltd.Guangdong Sheng, China