Road transport of goods (excluding dangerous goods). General projects: R&D of mechanical equipment; R&D of auto parts; R&D of motorcycles and parts; manufacturing of general parts; manufacturing of general equipment (excluding manufacturing of special equipment); manufacturing of hydraulic power machinery and components; manufacturing of auto parts and accessories; manufacturing of pumps and vacuum equipment; manufacturing of daily necessities; sales of mechanical parts and components; manufacturing of special equipment (excluding manufacturing of licensed professional equipment); manufacturing of hydraulic power machinery and components; manufacturing of gas, liquid separation and purification equipment; manufacturing of pneumatic power machinery and components; manufacturing of steam turbines and auxiliary machinery; special equipment for environmental protection Manufacturing; sales of mechanical equipment; sales of hydraulic power machinery and components; sales of liquid and airtight components and systems; sales of pumps and vacuum equipment; sales of daily necessities; sales of gas, liquid separation and purification equipment; sales of refrigeration and air conditioning equipment; sales of special equipment for environmental protection; sales of special instruments for environmental monitoring; sales of air pollution monitoring and testing instruments; retail of auto parts; wholesale of auto parts; sales of renewable resources; recycling of renewable resources (except productive scrap metal); recycling of productive scrap metal; processing of renewable resources; processing of mechanical parts and parts.