No matter new customer or old customer, We believe in long term and trusted relationship for Solar Pump Inverter Single Phase, Grid Tied Solar Inverter , 1kw Solar Hybrid Inverter , Three Phase Frequency Inverter ,Pv Grid-Tied Inverter . All prices depend upon the quantity of your respective order; the extra you purchase, the extra economical the rate is. We also offer fantastic OEM provider to numerous famous brands. The product will supply to all over the world, such as Europe, America, Australia,Czech Republic , Canada ,Holland , Bulgaria .To win customers' confidence, Best Source has set up a strong sales and after-sales team to deliver the best product and service. Best Source abides by the idea of "Grow with customer" and philosophy of "Customer-oriented" to achieve cooperation of mutual trust and benefit. Best Source will always stand ready to cooperate with you. Let's grow together!