When will the Hua Chenyu aid stick be?

December 2, 221. Hua Chenyu is a male singer in mainland China, and Hua Chenyu Aid Bar, also known as "Mars Energy Bar", is an exclusive patented product, and has a Patent Certificate for Design, which indicates that the patent application date for Mars Energy Bar is December 2, 221, and the authorization announcement date is April 26, 222. Aid stick, also known as luminous stick, refers to a handheld lighting device shaped like a strip.