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Isingeniso Somkhiqizo I-Rich Chemical ungumphakeli ochwepheshe waseShayina we-dichloromethane yezinga lezimboni eyenziwe e-china, osekuyiminyaka eyi-10 esebenza kumakhemikhali emvelo. Ukunikeza isampula yamahhala, sikwamukela ngokufudumele ukuthi uthenge amakhemikhali ekhwalithi ephezulu ye-CAS No. anokuhlanzeka okuphezulu namanani aphansi wit...Funda kabanzi»