Profile: Ningbo Tru-Honesty Auto Parts Co., Ltd is a supplier of tire and wheel products. Our main products include wheel balance weights, tire valves, valve accessories, tire repairing tools and related parts. We also manufacture tire valves, balance weight, tire pressure gauge, flush mount valve, and clamp-in tubeless valves. TR621-A, TR622-A, TR623-A tire valves are used in tractors, graders, loaders and various other agricultural implements.