Our spun pulleys are made of steel plate by spin.It has more advantages than cast pulley in lighter weight,less material,more beautiful shape and lower price.It is the substitute product of traditional cast pulleys. Now our spun pulleys are applying popularly for auto crankshaft pulleys,water pump pulleys,fan pulleys,steering pump pulleys,dynamotor pulleys,air-conditioner pulleys,tensioners and guiding pulleys etc.It also applys for mower,tractor,reaper,sartorius,washing machine. Your samples and drawings are welcome since we also do custom-made products!