Tank tank for the round shape, the material can be carbon steel, stainless steel, aluminum and so on. Tank with automatic longitudinal seam welding technology firm, smooth, straight-through or a tank with Y-bed optimization of internal and external structure of the tank, with a low center of gravity, volume and other characteristics; tank inside the bag-type sulfide bed design, simple structure, easy maintenance, curing properties, and effectively reduce the residual rate. Contact: Li Yan :159 -2665-0801