please visit www dot cibsolar dot com or send message to info at cibsolar dot com for more informaiton. CIB Solar has a great team of solar thermal technologist. Most of the members have more than ten years of working experience in solar thermal field. We specialize in managing and producing all-glass evacuated solar collector tubes, solar water heating systems, including controllers. We also know well in PV, wind energy, air and ground source heat pump.