Baoji Qishan Shell Shell Tongyi lubricants distributor unified price

Rich Xi'an Petrochemical Co., Ltd. is designed for companies and dealers to provide high-quality lubricating oil products and professional technical consulting company, operating domestic and international famous brands: American float, Shell, Kunlun, Peregrine Dayton original machine oil, special oil and the Beijing Great Wall and other domestic products. It serves the aerospace product manufacturers, cement industry, metallurgical industry, machinery processing, paper industry, mold manufacturing, and other specialized industries, providing quality products and satisfactory service is the constant pursuit of the company, we would like the world's top lubrication product excellent care of your equipment. If necessary, please contact us. Rich Xi'an Petrochemical Co., Ltd. Contact: 18909228651 Contact: Zhang Company Website: www.029fr.com lubricating properties Appearance (color) of oil color, often can reflect the extent of its refining and stability. For the base oil, the higher the degree of refining in general, the hydrocarbon removal of oxides and sulfides, the cleaner, the color, the more light. However, even if the same conditions as refined, different oil source and the base case of the crude oil produced on the basis of its color and transparency may not be the same. For the new refined oil, due to the use of additives, color as a basis for judging the degree of refined oil level indicator has lost its original meaning.