도시가스 캐시백 How to apply for city gas cashback and reduce gas costs
도시가스 캐시백▶ City gas saving cashback is a system operated by Korea Gas Corporation to reduce city gas consumption in the winter for all citizens. It is a system that returns cash based on the amount of savings when saving more than 7% compared to the previous year’s consumption. ▶ Any user of a city … Read more