·CZ products meet the requirements for use in harsh environments, and can operate stably all year round even in the face of extreme low temperature and strong ultraviolet radiation, greatly improving the stability of on-site use; ·CZ products adopt easy installation, maintenance-free, and low-maintenance design The concept greatly improves the safety of on-site use;-CZ explosion-proof components adopt standardized and modular design, and have independent explosion-proof certification. On-site construction personnel can easily maintain without professional explosion-proof installation knowledge, which greatly improves the fault tolerance rate of on-site use.