... the sun don´t sent a bill!
SB serials is a kind of solar collector, It used with heat preservation water tank, solar power workstation and the pipe. The solar collector is consisted of super conducting vacuum heat collecting tube and header, so it's of great efficiency of heat collecting. The absorbing percentage of the glass vacuum collector is more than 94%. In the sunny days of spring or autumn, each collecting tube could make the water up to 90 degrees centigradeonly in 2.5 hours.
Please, wait a moment..