We, Chemtron Science Laboratories Pvt. Ltd. , are manufacturer and supplier of the Calibration Gases (for detectors and analyzers), and Gas Handling Equipments. Please find attached list of calibration gases which are manufactured by us. We also manufacture standard blends as per clients requirement and given composition.We are an ISO 9001 Certified Company with over 21 years of experience in calibration gas and analytical instrumentation Industry, with a state of the art production techniques, equipments and team of highly qualified professionals. Chemtron?s CMD Dr. O.P. Srivastava (Ex-Bhabha Atomic Research Centre, Scientist) founded the company in 1992. Through aggressive R&D and backward integration Chemtron has built itself as largest brand in the area. More than 250 employs work in more than 6 locations includes branches, cylinder fill plants, production facilities, specialty gas laboratories, and regional distribution centers to serve a diversified customer base