hat
UN-EN-HC-GSA se materyèl petwòl raffinage atalizè, ak aktivite anwo nan syèl la pou hydrogenation par atalizè, kapab tou pou itilize pou hydrotreating atalizè.
eng
A-AS-HC-GSA is the material of Petroleum refining catalyst, with high activity for hydrogenation cracking catalyst, can also be used for hydrotreating catalyst.