In March 2018, I purchased the “Sony Blue Helmets” in Nanjing City. But after the recent discovery of an ears and the application for a sale in the Tennn Business City App! Staff at the beginning of 3 said that no outside packaging was available in a quality insurance! At the time of purchase, the tenor of the tenants did not give the invoices and did not communicate the need for outside packagings! Tax evasion is suspected of not giving invoices! Requirement of self-defence