... PortQingdao/Tianjin/ShanghaiPayment Terms30% TT deposit, D/A, D/P, Western Union, MoneyGramTrade termFOB, C&F, CIF, EXWProduction ... tower, de-solvent tower, deodorization tower, vacuum pump, filter and heat conduction oil furnace etc.Flow Chartde-mixed, degumming, dehydration, ... ; 4. Dewax: Remove off the wax in the oil and get high quality oil; 5. Conducting oil furnace: Provide thermal energy need ...