JD SYSTEM J.CZAJA, P.DRABENT SPÓŁKA JAWNA

27.31.Z - Manufacture of optical fiber cables

26.11.Z - Manufacture of electronic components

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

46.52.Z - Wholesale trade

47.99.Z - Retail trade

61.10.Z - Activities in the field of wired, wireless, and satellite telecommunications

74.10.Z - Specialized design activities

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

90.01.Z - Creative activities and activities related to the staging of artistic performances

95.12.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles