and retain the authorization and logo in the product
  1.4 When using the software for commercial purposes, it is necessary to obtain the commercial use authorization of the software copyright owner, and the authorized unit shall be the user unit of the final use of the product
  1.5 Users who have obtained commercial authorization can use, copy, modify, distribute the software (including source code) and products containing this software (including source code).
  1.6 This agreement is only valid for the c