Hebei Yuhuan Petrochemical Products Co., Ltd. is a collection of raw oil and refined oil (diesel, fuel oil, etc.); non-product oil petroleum products (petroleum needle coke, sponge coke, projectile coke, marine fuel oil, catalysis) Trading company for diesel, light hydrocarbons, etc.). Management of circulating oil, etc.; operation of petroleum residue products (residue, wax oil, marine asphalt, road asphalt, etc.)