New building materials manufacturing (excluding hazardous chemicals); building materials sales; coating sales (excluding hazardous chemicals); cement product sales; sealing filler sales; waterproof membrane product sales; lightweight building materials sales; lime and gypsum sales; coating manufacturing (excluding hazardous chemicals); sealing filler manufacturing; cement product manufacturing; lime and gypsum manufacturing; waterproof membrane product manufacturing; lightweight building materials manufacturing; landscaping engineering construction; loading and unloading handling; road freight transport of ordinary cargo vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods). Permitted items: Residential interior decoration; construction engineering construction; road freight transport (excluding dangerous goods).