For regular off grid hybrid solar inverter products, samples are free except you will bear the express cost. So an express account such as DHL or FEDEX is needed. We keen for your understanding that we have a lot of samples to send every day. If all the freight are borne by us, the cost will be very high. In order to express our sincerity, as long as the sample is confirmed successfully, the freight of the sample will be offset when the order is placed, which is equivalent to free delivery and free shipping.

With the powerful predominance in manufacturing capability, Wenzhou Xihe Electric Co.,LTD. is a prestigious company with high credibility and recognization. Fangpusun is mainly engaged in the business of off grid hybrid solar inverter and other product series. It is strictly tested by our experienced QC team before packing. Applied in a photovoltaic system, it is absolutely pollution-free. Without high quality, XTH XTM accessories can't be well accepted by customers for years. The product has the advantage of low energy loss.

Our business principle is 'perform the contract and meet the commitments.' Contact us!