https://it.marketscreener.com/quotazioni/azione/CHINA-OILFIELD-SERVICES-L-6171009/attualita/China-Oilfield-Services-Limited-fornisce-una-guida-agli-utili-per-i-dodici-mesi-terminati-il-31-dice-42747044/?utm_source=telegram&utm_medium=social&utm_campaign=share