Mercy milk powder is produced in Guangdong. The company name of Mercy milk powder is Mercy (Guangzhou) Infant Nutrition Co., Ltd., and the producer of Sanlu milk powder is Shijiazhuang Sanlu Group Co., Ltd. (hereinafter referred to as Sanlu Group), which is a Sino-foreign joint venture located in Shijiazhuang, Hebei, China.

On February 12, 2009, Sanlu Group officially declared bankruptcy due to the "melamine milk powder pollution incident" on March 4, 2009.