GREATWALL BIO-CHEMICAL ENGINEERING CO., LTD established in 1992, located in the economic circle of Beijing, Tianjing and Hebei Province of China. It is 100 kilometers away from the Beijing capital airport and 200 kilometers away from Tianjin Port.
 

GREATWALL operates a closed-loop, continuous and sustainable system to provides series of 4 carbon products, L(+)-tartaric acid, tartrate, L-malic acid and malate, which are widely used in various industries.
 

We strives to manufacrure all kinds of products exceed stringent food safety standard. The production sysytem has been ISO, FSSC FDA, Kosher and Halal certificated.
 

GREATWALL forces on atom economy, biotechnology and green chemical, to provide customers quality products and professional service.