what is the relay function - China Manufacturers, Factory, Suppliers

The corporation keeps to the operation concept scientific management, superior quality and performance primacy, consumer supreme for what is the relay function, 4 Postion Switch , 3p Ac Mcb , 2p Mcb , Our company always concentrate on the development of the international market. We now have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.