Industrial robot sales; Industrial robot manufacturing; Metal structure manufacturing; Metal structure sales; Intelligent storage equipment sales; Material handling equipment manufacturing; Material handling equipment sales; Plastic products manufacturing; Plastic products sales; Rubber products manufacturing; Rubber products sales; Mining machinery sales; Mining machinery manufacturing; Metal products R&D; Import and export of goods; Technology import and export; Import and export agency; Road freight transport for ordinary cargo vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods).