RAINBOW is an industrial and trading company which was set up in May 2008.RAINBOW focuses on producing high quality auto filters, including air filters, oil filters, fuel filters, filter elements, cabin filters and fuel water separator, for most car or truck brands.With best service and quality assurance, Rainbow establishes long and closed business relationship with clients widely from North America, Europe, South America, South Asia Middle East and Africa.Our Mission: Manufacture and supply high quality, cost-effective auto filters for the global market.