... ,low noise,long life Approved:UL,CE,VDE, ISO, CCC,RoHS Mainly Customer: Gree, Haier, LG,Samsung Panasonic We are specialized ... the ISO90001:2000, CCC, UL,CE, VDE, RoHS Our mainly product is stepping motor, synchronous motor, copper pipe and heat exchange for air ... ≤30 dB(A) 35BYJ46-W3-A 12v micro dc Stepper Motor