To all concerned enterprises,
China Quality Certification Centre ( CQC) has developed and introduced the certification service for energy-saving dual cold source fresh air handling units. The specific information is as follows:
Certification Project: Dual cold source fresh air handling units
Service Category: 701359
Certification rules: CQC31-439195-2024 Energy-saving Certification Rules for Dual Cold Source Water Chilling (Heat Pump) Units and Dual Cold Source Fresh Air Handling Units
Referenced standards: CQCPV11021-2025 Technical Specification for Energy-saving Certification of Dual Cold Source Fresh Air Handling Units
CQC's Product Certification Department II has begun to accept certification applications. You may submit certification applications through the CQC website. For specific inquiries, please contact us via the following way:
Contact: Lang Yansong
Tel: +86 10 83886294
Contact: Jiang Chunyan
Tel: +86 10 83886340
China Quality Certification Centre
July 21, 2025