As early as 2010, Coca-Cola, Kraft, Nestle and other companies announced the phasing out of use (HFCs) as a refrigerant, changed to natural working fluids, the world's largest beverage company Coca-Cola, chose to use carbon dioxide (R744) instead of (HFCs) As a new refrigerant, Daimler announced that it will start to use CO2 air-conditioning system in the Benz model car in 2016. Foshan Rininrd will take green manufacturing, green operation and green maintenance as its corporate mission.