Kem One SAS produces chlorochemicals and polyvinyl chloride (PVC) resins. It offers chlorochemicals, such as chlorine and caustic soda, and chloromethane; and PVC resins, including PVC mass and suspension, emulsion or micro-suspension, and C-PVC. The company, through its subsidiaries, engages in the production of ready-to-use vinyl compounds; profiles for windows and shutters; and tubes. Its products are used in various applications, including construction, automobile, and health. The company was incorporated in 2012 and is based in Lyon, France. Kem One SAS formerly operated as a subsidiary of Klesch & Company Limited.