Glass-Metal Sealed Solar Collector Tube

Glass-metal sealed heat pipe evacuated solar collector tubeGlass -metal Solar vacuum tube is the core parts of solar collector. It absorbs solar energy converting it into heat for hot water heating. Solar vacuum tubes have already been used more than 20 years in China. Specification:For more infomation, please feel free to contact us !   /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1