【Five core technologies】
"One"High efficiency motor volume larger, stronger wind
"Two"Head design, for most environments
"Three"Design of three-stall speed power control, multiple environments using
"Four"Five-page spiral design wind a softer, stronger wind
"Five"Not solid die head, up and down adjustment
Note: Express breakage rate is extremely high in Tibet, Xinjiang, express do not answer, do not accept Tibet, Xinjiang's single!