Chainway Intelligent Transportation System Co., Ltd. is the No. 1 OBD, Canbus telematics solution provider & manufacturer in China, the leader of insurance telematics, vehicle network solutions. We are ahead of market & our products are sold to more then 100 countries all around the world. Chainway integrates R&D, design, manufacture and sale together. With long-time experience in innovation, research & development, Chainway has developed many types of high-tech products & formed a high ...