1.R & D pipeline joint structure optimization, is expected in 2020 January 15 Kusakabe change orders; 2 has completed an assessment of valuation tools, December 5th feedback procurement tool
1. The structure of the pipeline fittings optimized by R-D, which is expected to issue a change order on 15 January 2020; 2. The evaluation of the fixed-value tool has been completed, and the procurement of the feedback tool on 5 December
1. R & D optimizes the structure of oil pipe joint, and it is expected to issue a change order on January 15, 2020; 2. The evaluation of fixed value tools has been completed, and the procurement of tools will be fed back on December 5<br>