General business items: glass manufacturing; technical glass product manufacturing; technical glass product sales; daily-use glass product manufacturing; daily-use glass product sales; door and window manufacturing and processing; door and window sales; building material sales; building decoration material sales; lightweight building material sales; road freight transport for vehicles with a total mass of 4.5 tons or less (excluding network freight and dangerous goods); hardware product wholesale; hardware product retail; mechanical equipment sales; electronic special equipment sales; gas appliance production; non-electric household appliance manufacturing; non-electric household appliance sales; furniture installation and repair services (public disclosure). Licensed business items: construction engineering construction; residential interior decoration; road freight transport (excluding dangerous goods) (licensed items operated with a license).