Crystal Tec Adrian Czajerek

71.12.Z - Engineering activities and related technical consultancy

47.91.Z - Retail sale via mail order houses or via Internet

70.21.Z - Public relations and communication activities

70.22.Z - Business and other management consultancy activities

71.20.B - Other technical testing and analysis

77.21.Z - Rental and leasing of recreational and sports goods

82.30.Z - Organisation of conventions and trade shows

85.59.B - Other out-of-school forms of education, not elsewhere classified

96.09.Z - Other personal service activities not elsewhere classified