Hangzhou Rainbow Auto Spare Parts Co., Ltd. is a manufacturer of auto Filters for car, bus, truck, trailer, etc. We produce air filters, oil filters, fuel filters, filter elements, and cabin filters with competitive price. Since the establishment of our company, we have realized the importance of providing good quality products and the best before-sales and after-sales services. Most problems between global suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it.