Sunrider International researches, develops, and manufactures all of its own products and does not outsource any production. The manufacturing process begins with buying raw herbs, sanitizing/cleansing the herbs, refining and concentrating, and packaging. This process occurs at all of Sunrider's four manufacturing sites in Guangzhou, China; Taiwan; Singapore; and Los Angeles. A fifth manufacturing plant is under construction in Kunshan, China, in the metropolitan area of Shanghai, China. The Kunshan plant will have nearly of manufacturing space. The Los Angeles manufacturing plant was opened in July 2008 and also has nearly of manufacturing facilities and space.