SAYI is based on the advancement of science and technology and the unique management concept, carrying out the quality management system of ISO9001:2000 widely, the products carry out the IEC Standard, so the quality is improving ceaselessly that our company is enlarging ceaselessly. In the recently few years, we nearly cooperate with scientific research branchs and colleges, we have been provided with the adility of design testing set, we mainly based on the industrial fan, and our sales network is all over the china and southeast Asia and Middle East, it is very popular with customers widely. Welcome all the cutomers of the word to do business with us, we are looking forward to create the resplendence with you.