... made of stainless steel.1)The washing part was welding by stainless steel ,it is high strength and shape will not change ... anti-temperature brushes, diameter is 180 mm. four sprayer, high speed, glass washing clean, speed is about 10-12m per minute. ( SAIXIN ... .5) All part contact water include the axle in the washing machine is stainless steel,copper or waterproof aluminum,nylon and so ...