ShuangBao Machinery Co.,Ltd is a leading company serves the oil refinery, petrochemical, chemical, fertilizer, pharmaceutical, pulp & paper, power plant, mining with qualified magnetic pump, self-priming pump, inline pump, slurry pump, centrifugal pump, chemical process pump, valves, pipe fittings. The factory was established in 1985, it is one of the first manufacturer in China to introduce the corrosion-resistant "Fluor plastic" which patented by 'Shanghai Organic Chemistry Research Institute