Our belief: Quality is the life of our company! So we devote many personnel any money in our QC department, and established a standard testing center. We will test completely the wind volume, noise and dynamics of our products, insure the eligible rate is 100%.

      
              Certificate for ISO9001          Certificate for measurement conformity

       
             Certificate for quality assurance      Auto control computer system of Production

      
Creepage testing room                      Noise testing room

      
Impeller testing                          One of our workshop