China Oilfield Services Limited announced impairment losses for the first quarter ended 31 March 2021. For the quarter, the company reported impairment losses of assets of the Group amounted to RMB 7.9 million, representing a decrease of RMB 839.0 million as compared with RMB 846.9 million for the same period (January-March) of last year. It was mainly attributed to no provision for impairment of large equipment assets in the current period.