Rubber product manufacturing; metal daily necessities manufacturing; daily miscellaneous goods manufacturing; metal processing machinery manufacturing; labor protection product production; plastic product manufacturing; hardware product manufacturing; mechanical parts and components processing; mechanical and electrical equipment manufacturing; rubber product sales; metal product sales; mechanical equipment sales; mechanical parts and components sales; daily miscellaneous goods sales; plastic product sales; mechanical and electrical equipment sales; road freight transport for general cargo vehicles with a total mass of 4.5 tons and below (excluding network freight and dangerous goods).