Lanzhou LS Heavy Equipment Co., Ltd. engages in the research and development, design, manufacture, installation, and after-sale technical service of petrochemical equipment in China and internationally. It offers pressure vessel, reforming reactor, hydrogenation reactor, threaded heat exchanger, diaphragm heat exchanger, high pressure vessel, circulating hydrogen desulfurization towers, etc.; high-pressure tubular reactors, and large towers for chemical industries; gasification furnaces, shift furnaces, water washing towers, intermediate heat exchangers, waste heat boilers, etc. for coal chemical industry; fine chemicals; and reaction kettles, special material containers, etc. The company was founded in 1953 and is based in Lanzhou, China.