——Chen Guangzhi Sonacme Co., Ltd Sales Director

——Zhang Yuqing Luoyang Guanyin Biological Technology Co., Ltd Technical Director

——Chen Bin CHN Spec Tech Co., Ltd Marketing Manager

——Chen Shuang Foshan Si-Tech Stone Tech Co., Ltd Managing Director

——Yan Ruiqing GUANGZHOU ZHI-HUI FINE CHEMICALS CO.,LTD Marketing Director

——Zou Liangzhong Hixmas Biotechnology (Shanghai) Co., Ltd Chairman/ Dr