DAOU (Shanghai) Environmental Technology Co., LTD is a Sino-French joint venture founded in year 2000.It is headquartered in Nantes, France. The Chinese head office located in Shanghai.DAOU is one of the world's leading manufacturers and marketers of direct-fired and indirect-fired forced air heaters, convection heaters and radiant heaters for livestock and poultry. We provide a series of safe, efficient, energy saving, healthy climate solutions.DAOU cultivated a high-quality R & D team, holding many national patents and obtained ISO9001 international quality system certification, CE certifacation ect. We have manufactured 3 series products.Farm gas heating system,farm environment control and heat recovery system ,farm drying system and cleaning&disinfecting system. The hot selling products including the poulty farm gas brooder DO6500A, DO6500A PLUS,the pig farm heater DO66A space heater,DO45/DO130 gas heater. Our products had been sold to more than 30 countries around the world.We are now looking for distributors all over the world, welcome your cooperation.