Shanghai Zhenqing Biotechnology Co., Ltd. is the predecessor of Shanghai Silver Century Biotechnology Co., Ltd., and Hai Huijian is its scientific research achievement with Qingdao Ocean University. Yinzi capsule is a product of Ocean University, which contains only oligosaccharides. The Ministry of Health approved its efficacy as enhancing immunity and anti-tumor. But he is not the product of the silver century! It is wrong for the Brotherhood to play the banner of the Silver Century!