Shanghai Chemtron Biotech Co.Ltd. is a global rapid diagnostic test manufacturer. Founded in 2001, Shanghai Chemtron Shanghai Chemtron Biotech Co. Ltd. is a global Rapid Diagnostic Test Development and Manufacturing Organization. Founded in 2001, Chemtron has been committed to manufacturing In Vitro Diagnostic test kits sold around the world. Chemtron has established business relationships in over 60 countries through Chemtron’s test kits under the Chemtrue? brand as well as OEM packaging. This success has led Chemtron to become one of the leading manufacturers of rapid diagnostic test kits. Chemtron’s manufacturing site is located in Shanghai, China and houses 130,000 square feet.