Chongqing Pump Industry Co.,Ltd. Possesses the license for design and fabrication of classes 1,2 and 3 hi-pressure pressure vessels(single layer and more layer structure),have an ability to supply about 10000 t various pressure vessels with diameter from φ300 toφ6000㎜ in which a single vessel may reach 150t.Main products are middle/high pressure storage tanks, heat-exchanger, reactor, agitator tank, tower and so on,widely used in large-scale chemical plant,steelworks,petroleum hydrogenation and catalyst cracking,fine chemical and some other industries.