Ningbo Singfun located in Cixi, Ningbo,China. Singfun was established in 1993 with 63.8 million RMB of registered capital.Currently we have grown into a 250000 square meters, manufacturing facility employing over 2500 workers. Singfun has grown to be one of the largest manufacturers in our industry. Singfun specialized in electric heaters and fans..We are ISO9001, ISO14001 and OHSAS18001 systerm approved. We have our own laboratory and do some relevant teats by ourselves.