car wash machine 1. The brush is foam cotton material imported from Germany. It can wash over 400,000 cars during service life (13-14 years). It neednt to be changed within the machine life time (15 years). Due to the soft washing and low water absorption rate, it will do not any damage to the car paint. Moreover we will change the brush hair for free if it wears 6 cm. 2. The computer control system and PLC are Germany Siemens. The machine is of high stability and good safety and long life span. 3. The brush running system adopts total pneumatic working mode. It has the advantages of steady working mode, steady pressure, energy conservation, comfortable washing etc with working life of over 800000 cars. It is advanced design program. 4. Biomembrane water recycling system needs not to add any chemical substance with life span of over 9 years without maintenance. Overall system is stainless steel made. The biomembrane is imported from Germany. This water recycling system is the most advanced and reasonable system throughout the world.5. The machine adopts common components. The external frame is made of stainless steel and can be used for 16-17 years.6. Low pressure protection device is French Schneider. The brush will return back when bumping into power failure automatically. The car can move out of the machine safely. Rust prevention term is 15 years. 7. We promise one year warranty for free and life long maintenance. 8. The machines have passed ISO9001 and gained CE which guarantees washing safety and stability.