Discount services (retail, wholesale, or sales promotion services); Supermarket retailing

Mine borers; mine working machines; geo exploration machines; drilling rigs, floating or non-floating; oil refining machines; petroleum exploitation machines; slurry pump for petroleum; taking out petroleum pump; steam condensers [parts of machines]; boiler tubes [parts of machines]

Epihydrin; surface-active chemical agents; oil-separating chemicals; oil-purifying chemicals; purification preparations; water-purifying chemicals; additives, chemical, to drilling muds; antibubbling agent; chemical reagents, other than for medical or veterinary purposes