Saint-pass Petrochemical Qilu Petrochemical Company Institute is established expert bodies. Admission is for the community year round. Major training: gasoline, diesel fuel blending, refining, testing, analysis. Professor Shi Hua personally taught by the Qilu! Theory and practice as one. 5,000 training fee per person ~ training of 5 days! Interested parties looking to contact QQ: 272536185 addition, the company sold various oil additives, quality assurance! A variety of experimental equipment for sale! Welcome to discuss! ! !