Honors & Certifications
Quality Certified for Global Markets
Certified under three ISO management systems plus CE, CCC and China energy-saving product certifications — meeting EU and international import standards.
Authoritative Certifications
Refrigeration Maintenance Grade-I License
Construction Enterprise Grade-II License
National Hi-Tech Enterprise
Safety Production License
ISO 9001 Quality Management
ISO 14001 Environmental Management
ISO 45001 Occupational Health & Safety
CCC Mandatory Product Certification
20+ National Patents · 8 Certifications
Listed in Government / Provincial Catalogues
Hunan Energy-Saving New Technologies & Products CatalogueHunan Government Procurement Two-Oriented Products CatalogueHunan Ground-Source Heat Pump Application Enterprises DirectoryHunan Renewable Energy Demonstration Project Key-Technology CatalogueChangde Famous & Quality Products Catalogue
Independent IP · Selected Patents
A Compact Water-Source Heat Pump Unit
A Split Air-Cooled Chilled-Water Central AC Unit
A Water-Saving Cooling Device for Air-Cooled Central AC
A Central AC Device Recovering Condensate Cooling Capacity
A Multi-Stage Heat-Recovery Fresh-Air System for Central AC
An Online Simulation & Testing Platform for Ground-Source Heat Pumps
A Comprehensive Test Bench for AC Terminal Startup & Operation
A High-Efficiency Heat-Exchange Central AC Terminal