Metal forming machine tool manufacturing; metal processing machinery manufacturing; engineering and technological research and experimental development; industrial automatic control system device manufacturing; hydraulic power machinery and component manufacturing; industrial robot manufacturing; wholesale of computer software, hardware, and auxiliary equipment; electrical equipment sales; communication equipment sales; hardware product wholesale; metal ore sales; chemical product sales (excluding licensed chemical products); electrical equipment repair; general equipment repair; road freight transport for vehicles with a total mass of 4.5 tons or less (excluding network freight and dangerous goods); loading and unloading; mechanical parts and component processing; mechanical equipment sales; electronic product sales; goods import and export; technology import and export. Licensed items: construction engineering design; construction engineering construction; electrical installation services.