Shandong Zhongse Heavy Industry Co., Ltd.'s main business scope covers propane, n-butane, isobutane, isopentane, n-pentane, cyclopentane, 6 # solvent oil, isohexane, n-hexane, heptane, benzene, toluene, xylene isomer mixture, 200 # solvent oil, naphtha, petroleum ether and other products. It has become a major manufacturer of environmentally friendly solvents in China, as well as a major manufacturer of environmentally friendly hydrocarbon refrigerants and pentane foaming agents, as well as an enterprise that has obtained qualifications for the production of vegetable oil extraction solvents as food additives. Shandong Zhongse Heavy Industry Co., Ltd.'s environmentally friendly hydrocarbon refrigerants and foaming agents are internationally recognized alternatives to Freon and are encouraged by national industrial policies as petrochemica...