JH Tech the leading eco-friendly evaporative air cooler manufacturer established in Fuzhou China in 2006. It’s a high-tech enterprise focused on energy-saving, evaporative air cooler’s research and development, marketing and excellent customer service. By owning experienced experts and aggressive sales, it makes JH Tech give its clients professional services like factories, cafes, supermarkets, base stations, etc. Through 10 years of growth, JH Tech had completed its whole industry chain layout and became a true leader in the industry. From this product JHCOOL, it is Evaporative coolers adopt the natural cooling principle of heat absorption thru moisture evaporation, similar to what happens to the human body when the temperature goes up and the skin sweats to cool it down.