System certificate
Scientific management system of company has been certified by German TüV-SUD quality management system and China Quality Certification Center (CQC) environmental and occupational health and safety management system, and obtained corresponding certificate.

 
Design certificate
CWT type wind turbines designed and developed by company have been certified by German TüV-A design （the first domestic model has obtained the certification）, China Classification Society(CCS) and China General Certification Center(CGC).
 

Model certificate 
CWT type wind turbines manufactured by CNR have obtained the China Electric Power Research Institute certification, including low voltage ride through capability, power quality, power conditioning, power grids and other functional suitability certification testing, and obtained qualification certificates, met requirements of the grid condition fully.