#28170010 #38151200 #381519 #38151910 #38151920 #38151990 #381590 #38159010 #38159090 #38249980 #Acetylene Hydrogenation Catalyst #Activated Alumina #Activated Carbon #Active Clay #Alumina (Desicant) #Ammonia Oxidation Catalyst #Butane Isomerization Catalyst #Dechlorination Catalyst #Fluid Catalytic Cracking (FCC) #Heterogeneous Merox Catalyst #High Purity Alumina #High Temperature Shift Conversion (HTSC) #Iron Promoted Alumina #Low Temperature Shift Conversion (LTSC) #Mercury Guard #Merox Catalyst #Methanol Synthesis Catalyst #Molecular Sieve 3A-4A-5A-13X #Oxychlorination #Polypropylene/Polymerization Catalyst #Pre-Reforming Catalyst #Promoted Zinc Oxide Catalyst #Reforming Catalysts (CCR/CRU) #Sulfur Guard #Sulfur Recovery Unit (SRU/SRP) #Sulfur Removal (Zinc oxide based) #Sulfuric Acid Catalyst (V205) #Tail Gas treatment (TGT) #TiO2 (Titania) #Titania Promoted Alumina #تعرفه گمرکی #تولید داخل #جاذب #دفتر واردات #صادرات و واردات #صنایع شیمیایی #فصل 38 #کاتالیست #گمرک