mechatronics engineering; R&D and design, production, processing, installation, commissioning and transformation, technical consulting and service, and sales of general machinery (excluding elevators, pressure vessels, medical equipment), molds, and automation equipment; Software development, consulting, services; Import and export business of various commodities (except for goods and technologies restricted by the state or prohibited from importing and exporting). (Projects subject to approval in accordance with the law and approval by relevant departments before business activities can be carried out)