Interior decoration of residential houses; professional construction operations; real estate development and operation; construction engineering construction; operation of hazardous chemicals. General items: sales of coatings (excluding hazardous chemicals); manufacturing of coatings (excluding hazardous chemicals); manufacturing of synthetic materials (excluding hazardous chemicals); manufacturing of new building materials (excluding hazardous chemicals); production of refractory materials; production of chemical products (excluding licensed chemical products); manufacturing of plastic products; manufacturing of lightweight building materials; manufacturing of sealing fillers; production of fireproof sealing materials; manufacturing of thermal and sound insulation materials; manufacturing of asbestos products; manufacturing of cement products; sales of plastic products; manufacturing of hardware products; manufacturing of non-metallic mineral products; sales of building materials; sales of synthetic materials; sales of refractory materials; retail of hardware products; sales of building decoration materials; technical services, technical development, technical consulting, technical exchange, technical transfer, technical promotion; information consulting services (excluding licensed information consulting services); information technology consulting services; sales of specialized chemical products (excluding hazardous chemicals); sales of dyes; sales of sealing fillers; sales agency services; sales of insulation materials; sales of high-performance fibers and composite materials; sales of lime and gypsum; sales of surface functional materials; sales of chemical products (excluding licensed chemical products); sales of cement products; sales of thermal and sound insulation materials; sales of new organic active materials; sales of fireproof sealing materials; sales of waterproof membrane products; sales of lightweight building materials; sales of building blocks; sales of asbestos products; sales of anti-corrosion materials; sales of coating equipment; sales of doors and windows; sales of metal materials; sales of metal products; sales of new metal functional materials; sales of asbestos cement products; residential leasing; leasing of non-residential real estate; internet sales (excluding goods requiring sales permits); road cargo transportation for ordinary freight vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); engineering management services.