... in Australia, and now are popularly produced in China.Specification of Solar Source Evacuated Tubes Evacuated Tube Verified Information This ... USD 500,000,000 / Year USD 429,000,000 Export Market Distribution: Market Revenue(Previous Year) Total Revenue (%) ... Date ISO9001:2008 XQCC, CNAS 03510Q21923R3M Production and service of all-glass evacuated solar collecting tubes. Design, development, ...