Ningbo Longwei Auto Parts Co., Ltd is specialized manufacturer of various air couplers, air blow guns, tire gauges and other repair tools and accessories, established in 2006 starting with a packaging production line.After decades of years efforts, we now have established R&D team, full production lines and have a professional testing system to ensure every piece out of our factory with 100% quality guarantee.Longwei products mainly include air couplers, air tools, hand tools and Tire Repair Tools. And they are widely used in industry area and domestic area, and even automotive repair area.