... 2.ISO9001:2008QC,low price APPLICATION: lubricating oil filtration, petroleum&fuel oil additives, catalyst recycle, active carbon & filter ... aid clearance, liquid clarification, amine desulfurization, naphtha, oil field flooding, well completing fluid, distillation & fractionation process, gas ... quality 4. ISO9001:2008 Certificate,competitive price5. Non-standard, special size are on request.