Kubowola Mafuta

Goldstone mapadi ether angagwiritsidwe ntchito thickening wothandizila ndi cementing wothandizila workover madzimadzi a mafuta bwino. Amathandizira kupereka njira yomveka bwino, yotsika yokhazikika, yomwe imachepetsa kwambiri kuwonongeka kwa chitsime.