TSINGHUA SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

27.11.Z - Manufacture of electric motors, generators, and transformers

28.11.Z - Manufacture of engines and turbines, except aircraft, vehicle, and motorcycle engines

42.22.Z - Works related to the construction of telecommunications and electrical lines

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

46.18.Z - Activity of agents involved in wholesale trade of other specified goods

46.52.Z - Wholesale trade

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified