How many times will Yi Jie refuel on Friday?

Silver grade 1.2 times, gold grade 1.5 times and drilling grade 2 times. According to the query of Yi Jie official website, when using the membership card to refuel in Yi Jie, you will get points, which will be doubled on Friday, silver grade 1.2 times, gold grade 1.5 times and diamond grade 2 times. China Petrochemical Yi Jie Sales Co., Ltd. was registered in Mentougou Branch on 20 13- 12-20, and is a wholly-owned subsidiary of China Petrochemical Sales Co., Ltd.