For regular solar light sets on sale products, samples are free except you will bear the state cost. So a state account such as DHL or FEDEX is required. We eager for your understanding that we have plenty of samples to ship daily. If all the freight are borne by us, the price will be very high. In order to express our sincerity, as long as the sample is confirmed successfully, the freight of the sample is going to be offset when the order is set, which will be equal to free delivery and free shipping.

Guangzhou Tunto Green Power Technology Co., Ltd. Green Power Technology is an excellent manufacturer for off grid power systems with high quality. TUNTO's polycrystalline solar panel series contains multiple sub-products. TUNTO solar controllers for sale is made of superior quality raw materials coming from reliable vendors. TUNTO solar applications have been exported for over 10 years. The main advantages of our team Green Power Technology are its sound management system, stable quality, low price and prompt delivery.

we Green Power Technology adheres to the concept of 5kw solar system savings and creates the ultimate quality of 5kw solar system savings. Get an offer!