Dalian Yunyi Electric Power Equipment Company is located in Dalian, which is one of coastal cities in the North China.We are the manufacturing enterprise in electric power sector, and rely mainly on the Anti-theft & Anti-loose devices (the spring ball type) of nuts while the other electric power fittings subsidiary. We have the high quality teams which are specialized in production, operation and management. We are the manufacture of gathering the design, development, production, sale, installation and the service in the Anti-theft & Anti-loose devices of the screw fasteners industries, in order to make the devices of the Anti-theft & Anti-loose nuts to be standardized, series and generalized.
