1. The oil products of Sungang Gas Station in Shenzhen are supplied by regular oil companies, and there is a production and quality management system to ensure the reliable quality of oil products. It means that the impurity content in petroleum products is low, the combustion efficiency is high, and the protection effect on automobile engines is good.

2. The oil products of Sungang Gas Station in Shenzhen are purchased in bulk and priced uniformly, so as to obtain better price advantage from suppliers. Therefore, the oil products sold by these gas stations are more competitive in price, and there will be no excessive premium.