Gelonghui March 6 | Tongbao (301339.SZ) said on the investor interactive platform that the company's products are based in the field of smart transportation, and the company's highway toll robots have not yet been applied to other industries. The highway toll robot independently developed by the company integrates functions such as self-service payment, electronic invoice push, and special audio and video intercom to effectively promote the digitization and mobility of road network operations and customer service, greatly improving the efficiency and management level of toll crossing management, speeding up the transformation and upgrading of highway tolls to a “quasi-free flow” model, speeding up the export of the company's digital products and technical capabilities to the whole country, and further enhancing the scale, efficiency and quality of the company's digital economy.