Standard: ISO9001 Number: 1981QJ4246R0M Issue Date: 2019-10-23 Expiry Date: 2022-10-22 Scope/Range: Design, production and service of air source heat pump water heater, air source heat pump water heater, low temperature air sour Issued By: other

Standard: TUV Number: No.E8A 108186 0002 Rev.00 Issue Date: 2020-05-27 Scope/Range: Issued By: TUV SUD

Standard: Number: Scope/Range: Issued By:

Standard: Air energy heat pump swimming pool machine Number: ZL 2021 2 1449020.9 Issue Date: 2021-06-28 Scope/Range: Issued By:

Standard: Utility model patents Number: ZL 2021 2 1399280.X Issue Date: 2021-06-22 Scope/Range: Issued By:

Standard: Domestic water heater host structure Number: ZL 2021 2 0432521.X Issue Date: 2021-02-28 Scope/Range: Issued By:

Standard: Defrost system for air source heat pump evaporator Number: ZL 2020 2 1522726.9 Issue Date: 2020-07-28 Scope/Range: Issued By:

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Standard: Integrated air source heat pump water heater Number: ZL 2021 2 0131927.4 Issue Date: 2021-01-18 Scope/Range: Issued By:

Standard: Closed dehumidifier Number: ZL 2021 2 1399314.5 Issue Date: 2021-06-21 Scope/Range: Issued By:

Standard: Air Source Heat Pump with Solar Auxiliary Heat Source Number: ZL 2021 2 1399282.9 Issue Date: 2021-06-22 Scope/Range: Issued By: