General business items: R&D, sales, and production of electronic products, lighting appliances, various electronic intelligent controllers, power automation system equipment, motors and their intelligent controllers (operated by branches); technical development and sales of flow meters, power batteries, power products, computer products, integrated circuits, sensors, and software; domestic trade (excluding franchised, exclusively controlled, and monopolized goods), and import and export business (except for items prohibited by laws, administrative regulations, and State Council decisions, and restricted items must obtain a license before they can be operated).