With this motto in mind, we've got develop into amongst one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for China 3 Phase Surge Protector and SPD Breaker, Relay , Current Operated Circuit Breaker , Rcd Rccb Rcbo ,Pure Wave Inverter . All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. The product will supply to all over the world, such as Europe, America, Australia,Puerto Rico, Cairo,Denmark, San Diego.Our well-equipped facilities and goodquality control throughout all stages of production enable us to guarantee total customer satisfaction. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact me. We are looking forward to forming successful business relationship with new clients around the world.