Are Sanjiu Pharmaceutical and China Resources Sanjiu the same company?

Not a company. According to Aiqi's data, Sanjiu Pharmaceutical Co., Ltd. is a state-controlled pharmaceutical listed company, formerly known as Shenzhen Southern Pharmaceutical Factory, while China Resources Sanjiu is a large state-controlled pharmaceutical listed company, formerly known as Shenzhen Southern Pharmaceutical Factory, so Sanjiu Pharmaceutical Co., Ltd. and China Resources Sanjiu are not the same company.