... over 30-years experience. The product ranges wiper blade, wiper arm, wiper linkage, wiper motor, washers, washer pump, wiper assembly for car, big bus, truck, ... 40" (300mm~1000mm). Our wiper motor, wiper assembly for big bus, engineering vehicle are popular not only in China but also in foreign ... country, the annual capacity for wiper motor is 1,000,000 ...