Lu Nan Zhang

Beijing Advaccine Biotechnology Co., Ltd. engages in the research and development of prophylactic and therapeutic vaccines. Its pipeline focuses on the treatment of diseases caused by SARS-CoV-2, respiratory syncytial virus, and hepatitis B virus. The company was founded by Bin Wang in April 2009 and is headquartered in Suzhou, China.

Yidao Biotechnology (Suzhou) Co., Ltd. is a Chinese company founded in 2017. The company is based in Suzhou City, China. The description of the company is limited to its name, "yi dao biotechnology (suzhou) co., ltd."

UBS Securities Co. Ltd. is the Chinese brokerage subsidiary of UBS Group AG (SWX: UBSG) in Switzerland. Headquartered in Beijing, the firm was founded in 2006 as Beijing Securities Co. Ltd. They provide securities brokerage services to domestic corporate and institutional clients, and qualified foreign institutional investors (QFII).

Part of Shenwan Hongyuan Group Co., Ltd., Shenwan Hongyuan Securities Co., Ltd. is a brokerage firm that provides brokerage services. The company is based in Shanghai, China. The Chinese company was founded in 2015. The CEO is Mei Li.

Huayuan Securities Co. Ltd., a subsidiary of Tongchuangjiuding Investment Management Group Co. Ltd., is a Chinese company located in Beijing that provides brokerage services. It was founded in 2002. Xian Feng Wei is currently the CEO of the firm.

Guosen Securities Co., Ltd. (Broker) (GSEC-Broker) is the broker/dealer division of Guosen Securities Co., Ltd. (SHE: 002736), a financial services company headquartered in Shenzhen, China. The firm was founded in 1994 as Shenzhen SDIC Securities Co., Ltd. GSEC-Broker provides retail clients with a full range of services such as securities trading, investment consulting, margin financing, stock pledge financing, futures IB, and financial product agency sales.