C.I. Group Public Company Limited is the manufacturer of air-conditioning and refrigeration products with over 30 years of experience. CIG has been recognized by leading brands in many countries around the world. We have expanded our business to cover design and installation of HVACR systems, construction projects, and other structural and utilities systems. With the ability and careful attention in engineering and technology development. We help elevate the performance of buildings to another height of energy saving, safety, and aesthetics for our customers.