Weekly Report: what happened at Sinopec Oilfield Service last week (0817-0821)?

Last week 01033 had an overall gain of 3.88%, the stock price moved from 0.6450 to 0.67, last week's high was 0.6750, the low was 0.6350, and the cumulative volume was 97.76M.

● 01033 Earnings report occurred last week on 17 August.