With the rapid development of fiber laser cutting machines applied to the industrial production, the company in Tianjin that Manager Cao works for specializes in manufacturing lasers and is making effort on the research and development (R&D) of fiber lasers for cutting and welding, so as to response to the market demand. As we all know, fiber lasers always work with the industrial chillers, so Cao contacted S&A for professional advice on selecting the appropriate chillers.