Naidong attaches great importance to the research and development and innovation of products and technologies, and has built a Naidong R&D center to cooperate with industry experts and scientific research institutes to continuously innovate products and services and continuously improve quality. At present, it has obtained more than 100 related patents at home and abroad, and has successfully developed products and services such as environmentally friendly pneumatic tires, plastic steel wheels, etc., which are widely used in bicycles, electric vehicles, smart vehicles, wheelchairs, special vehicles and other fields, and have won the approval of industry enterprises and Highly recognized by users.