Group 1 - The first batch of duty-free maintenance services for engine gearboxes in Hainan Free Trade Port has been successfully implemented, marking a significant development in the high-end automotive industry in the region [1] - The service is provided by CRRC International Vehicle Industry (Hainan) Co., Ltd., which is a subsidiary of China General Technology (Group) Holding Limited, and focuses on duty-free maintenance as its core business [1] - The special regulatory policies in the comprehensive bonded zone allow the company to enjoy benefits such as "domestic maintenance + no guarantee," significantly reducing the financial pressure on enterprises [1] Group 2 - The company expects to complete the maintenance of 2,000 to 3,000 automotive gearboxes in the second half of the year, expanding its business footprint and promoting the "China Maintenance" brand internationally [2] - The implementation of this business is a strong measure by customs to support the development of the new business model of "duty-free maintenance remanufacturing" as outlined in the overall plan for Hainan Free Trade Port [2] - The Haikou Comprehensive Bonded Zone has attracted four companies in the automotive and electronics sectors to establish duty-free maintenance operations, with total import and export value exceeding 100 million yuan from January to July [2]