Ngokukhula kokukhathazeka kwezemvelo, isidingo sezithambisi ezingenabo ubuthi kanye ne-biodegradable lubricant sikhule kakhulu.Ukusabela kulesi sidingo, i-Oilbayer, egxile kwi-R&D kanye nokukhiqiza amakhemikhali ase-oilfield, isungule i-lubrican encibilika emanzini...
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