Specialized enterprise engaged in the design, development and production of surge protective device (SPD), which are mainly used in high-low voltage electrical system, lightning signal system, and telecommunication system. Have over 30 professional engineers and trained technicians, and about 300 skilled workers. Well equipped with a powerful and high-level specialized technical group, advanced producing facilities, complete inspection equipment and excellent sales service. Obtained TUV, CE and ETL/cETL approvals