Mr. Zhang is engaged in producing UV-LED source equipment. He has purchased S&A chiller CW-5200 to cool 1~1.4KW UVLED source and chiller CW-6200 to cool 3.6~5KW UVLED source. He is satisfied with the higher efficient refrigeration and stable performance of S&A chiller has good quality and guarantee. Meanwhile, he will recommend S&A brand chiller to the competitor.