... special bearings, etc. Pulley type: window and door pulleys, shower pulleys, etc. Flat running surface 626z pulley sliding wheel Products ... and the United States and Southeast Asia.Specification:Name: window roller, window pulley ,wheel2.Material: iron3.Surface treatment: plated zinc ... us.Our company is a professional manufacturer of bearings,window & door handles, hinges, etc.If you have special ...