A-share oilfield services and engineering sector opened higher: Keli Co. jumped over 8% and Tongyuan Petroleum rose nearly 5%; Zhongman Petroleum, China Oilfield Services, Zhongyou Engineering, Beiken Energy and Qianeng Hengxin also gained. Fars News Agency cited sources saying shipping through the Strait of Hormuz has fallen to zero and will remain closed as long as the U.S. continues its provocations.(金十数据)