xīn​chǎn​pǐn​tuī​jiè​huì

product launch

  1. xīn adjective
    new
    new; fresh; up-to-date; newly appearing or just discovered
  2. product
    goods; merchandise; products created through labor, including both material goods and spiritual or cultural wealth
  3. promotional event
    a meeting, seminar, or event held to promote or introduce something to others