On April 18, 2013, by China lubricant information network, lubricating oil market magazine launched a host, Shanghai yi trade special cooperation "(2013), China's oil industry overall list of the year" selection activities, grand prize-giving ceremony is held in sanya, hainan, from the national each big brand lubricating oil, base oil additive manufacturers, lubricating oil distributor, user representatives and industry association, specialists and the media, etc. More th
