Standard: patent Number: 212021 2 0290611. X5 Issue Date: 2021-10-15 Scope/Range: The utility model relates to an armrest folding chair with heating function Issued By: State Intellectual Property Office

Standard: patent Number: ZL 2021 2 0290614. 3 Issue Date: 2021-12-24 Scope/Range: A portable seat with a heated cushion Issued By: State Intellectual Property Office

Standard: patent Number: ZL 2021 3 0107136. 3 Issue Date: 2021-06-15 Scope/Range: Heating cushion Issued By: State Intellectual Property Office

Standard: patent Number: ZL 2021 3 0107355. 1 Issue Date: 2021-08-31 Scope/Range: Folding chair (double hook fixed adjustment gear) Issued By: State Intellectual Property Office

Standard: patent Number: ZL 2021 2 0290192. X Issue Date: 2021-10-15 Scope/Range: The utility model relates to a folding chair with armrest and double hook fixing function Issued By: State Intellectual Property Office