LS EXCHANGE stage cooler.LS EXCHANGE was founded in 1953, the predecessor of Lanzhou Petroleum Machinery Factory and Lanzhou Oil Refining and Chemical Equipment Factory, which were two of the 156 national key projects during the First Five-Year Plan period of New China, and has been going through more than 70 years of brilliant history. History. Lanzhou Petroleum Group has independently developed and manufactured the first domestic oil drilling rig, hot-wall hydrogenation reactor, four-in-one continuous reforming reactor, 30,000-ton multi-cylinder sheet molding hydraulic press and other high-end leading products, mastered the development technology of 12,000m and 15,000m ultra-deep well offshore drilling rigs, and possessed a number of independent intellectual property rights of the core process packages in the field of refining and chemical industry and coal chemical industry, and the market share of four-in-one continuous reforming reactor is 100%, which has filled the domestic energy and chemical industries with the most advanced technology. LS EXCHANGE has 100% market share of four-in-one continuous reforming reactor and filled more than 100 technical and product gaps in the field of domestic energy equipment. LS EXCHANGE is the earliest, largest and strongest total solution service provider of high-end pressure vessel equipment for oil refining and chemical industry, coal chemical industry, large-scale forging and pressing equipment, plate heat exchanger, nuclear power, new energy and other high-end energy equipments from R&D, design, manufacturing and installation to after-sales technical service. The main products include: detachable plate heat exchanger, fully welded plate heat exchanger, wide-channel welded plate heat exchanger, heat exchanger unit, round shell heat exchanger, pressure-welded plate heat exchanger, offshore platform skid-mounted, large plate-and-shell heat exchanger, plate-and-frame heat exchanger, plate evaporator, and two-stage cooler.
