What is the relationship between Ziguang Jeffery Ji and Tsinghua Tongfang?

Ziguang Jeffery Ji is a pharmaceutical company owned by Tsinghua Tongfang. Ziguang Jeffery Ji, founded in 1958, has an annual sales of over 100 million yuan. Tsinghua Tongfang is a pharmaceutical manufacturing enterprise with excellent salary and relaxed working environment. Tongfang Pharmaceutical Group, formerly known as Beijing Ziguang Pharmaceutical Co., Ltd., is located in Badaling Town, Yanqing District, Beijing. It is a national high-tech enterprise and a high-tech enterprise in Zhongguancun. It is a comprehensive pharmaceutical enterprise controlled by Shanxi Construction Investment Group Co., Ltd. and belongs to the big health industry sector of Tongfang Co., Ltd.