Solar collectors

The pipelin is made of all the red copper and conducted by heat transfer medium liquid. water can not flow in vacuum tubes and operated when confined. the crust used aluminum ally mould material of high strength with air flow design, it is furnished in good style.can withstand high pressure when it work.Module design, arbitary combination, which can meet the demand of large water consumpition.No harm, No pullution ,save and clean.
Solar collectors