We are a tire repair tools and materials manufacturer in China. Ningbo Hanker Imp. &; Exp. Co., LTD. is a professional tire repair products manufacturer in China. Our main products including tire repair tools, tire repair kits, tire repair changeable needles, tire seals, tire chucks, valve cores, tire gauges, pneumatic &; air tools, valve tools, tread depth gauge, air blow guns, weighter tools, etc.