The registered address of zhengzhou cédel science and technology development ltd. Is located on the western three-ring 289 university science and technology park (east region) building, located in the zhengzhou new technology industry development area, on the 8th floor; fire-fighting equipment sales; cable and cable operations; special equipment sales; industrial automated control system devices manufacturing; industrial automated control system devices marketing; smart instrument instrument manufacturing; noise and vibration control services; smart control systems integration; new material technology development; specialized equipment construction (non-licensed professional equipment manufacturing); digital video surveillance system sales; specialized instrument and instrument manufacturing; specialized equipment repair; specialized equipment repair; export and import of goods; technical export equipment (subject to a legal licence, project authorization to carry out specific repair activities in accordance with a legal licence) and to carry out special project-related repair activities under a legal licence