Rizhao Hi Niu Hi Niu gas station oil is good. According to relevant public information, Heiniu Heiniu Gas Station Co., Ltd. was established in March 20021and 17, and its business scope includes the retail of ethanol gasoline, diesel oil, lubricating oil and compressed natural gas. The business license for hazardous chemicals is valid until June 30, 2024, and the oil quality of gas stations is good.