There are two kinds of Sutong dragon cards, the car card and the gold card. The annual fee for the car card is 200 yuan/year, and the gold card is spent three times a year, with any amount, and the annual fee is exempted. To enable ETC function, OBU, a kind of automobile electronic tag, must be installed first. Generally, there is a charge for installing this machine, a new machine in 370 yuan. But now the Sutong credit card of CCB is active. If it's from Suzhou, starting from August, as long as you show your card at Suzhou Sutong Card Customer Service Center and sign a purchase order with this card, you can give away a machine package for free. This package can only be installed on the car with the license plate number corresponding to your Sutong card. The first batch of 20,000 units is limited. If it is in other areas of Jiangsu, it is the same, but in other areas, the province is limited to 10000 units. 10000 units have been delivered or not consumed, and you can get a discount of 185 yuan at the outlet of Sutong Customer Service Center with Sutong Card to buy an OBU with a total of 50,000 people (except Suzhou).