is concentrating on membrane technology as the core, and specialized in the outdoor water purification products R&D, production and sales. YOUBER owns the outdoor water purifier production plant and water treatment equipment manufacturing factory, the annual production of various kinds of outdoor water purification products reach to 200000 sets, more than 100 employees. We have our own R&D team, in the past ten years, we are mainly focus on R&D of the membrane technology and the outdoor water purification products, and achieved good results, the most advantaged and well-compliment from customers are our portable outdoor water filter, portable seawater desalination RO machine and other small size integrated mobile type water purification equipment...