... design 4. Casteels tractor wiper blade WIPER SYSTEM EXPERTKM05 HEAVY DUTY WIPER BLADE( tractor wiper blade ) 1.Teflon Coating ... over 30years' experience in making wiper blade, wiper refill, wiper arm, linkage, wiper motor, washer tank, washer nozzle and washer pump for cars ... , truck, bus, ship, train, tractor and engineering cars under the brand name of 'King'Our wiper ...