Testing equipment research and development, production, sales and after-sales service; electronic control system software and hardware research and development, sales and after-sales service; automotive metal parts research and development, production, sales and after-sales service; Internet application software development, sales; import and export business of goods and technology. The company covers domestic and international sales, product development, after-sales service, processing and production, new media operation and other departments, with a complete structure and a close team connection.