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ISO 9001:2015 Recertification Successfully Completed
Release time: 2026-06-08
In January 2026, LANGQIWEI Air Conditioning successfully passed the annual surveillance audit for the ISO 9001:2015 Quality Management System. The official recertified certificate was issued on June 08, 2026.
The system complies with GB/T19001-2016 / ISO 9001:2015 standards. The certification scope covers production management for central air conditioning terminal products including fan coil units and air handling units.
This renewal marks that LANGQIWEI has maintained valid ISO 9001 Quality Management System certification for 12 consecutive years.
Certification Scope & Audit Focus
The audit covered LANGQIWEI’s full product portfolio, including:
Design, production and sales of Fan Coil Unit (FCU) series;
Design, production and sales of Air Handling Unit (AHU) series;
Design, production and sales of Fresh Air Unit (HRV/ERV/FAHU) series;
Design, production and sales of Air-Source Heat Pump Module units;
Contract review and production management for OEM/ODM manufacturing services.
The audit team focused on verifying the adequacy, suitability and operational effectiveness of the quality management system, covering key links such as incoming material inspection, process control, finished product testing, non-conforming product management, corrective and preventive actions, and customer satisfaction tracking.
Continuous Improvement Is an Ongoing Mission
The person in charge of LANGQIWEI Quality Management Department stated:
“ISO 9001 is not a destination, but a baseline standard. Customers are raising higher requirements for product quality, and overseas projects are growing increasingly complex. We must implement the management system down to every production workstation, every contract review and every customer follow-up.”
“LANGQIWEI has maintained robust system performance during successive surveillance audits over the years, which stands out among domestic peer manufacturers. The audit team spoke highly of our efforts in process quality control and continuous improvement.”
Additional Qualifications
Apart from ISO 9001:2015, LANGQIWEI also holds the following international certifications:
✅ ISO 14001:2015 Environmental Management System
✅ ISO 45001:2018 Occupational Health and Safety Management System
Certification Scope: Management activities related to the production of central air conditioning terminal products (Fan Coil Units, Air Handling Units).
LANGQIWEI has sustained valid ISO 9001 certification for many years. All management system certificates are accredited by CNAS and IAF with global mutual recognition.
Upholding international standards consistently, LANGQIWEI is committed to supplying high-quality, reliable commercial HVAC products to customers worldwide.
