On June 19, Li Yunfei, general manager of BYD's brand and public relations department, posted on social media: "We have recently received reminders from many parties that a certain car company is using black public relations methods to belittle, disparage and maliciously slander our brand and products." Based on the above and past situations, BYD will collect valid clues and evidence of black public relations. If verified to be true, the provider of valid clues and evidence will be rewarded with RMB 200,000-5 million, and the personal information of the provider will be kept strictly confidential.