There are 22 R&D improvement projects, which have a cumulative impact of 2199 points on PTU. 10 closed issues contribute 777 points to PTU. After the remaining issues are closed, PTU will contribute 1421 points;
A total of 22 improvement projects were made, resulting in a cumulative impact of 2199 points on the PTU, 777 points in the 10 closed issues and 1421 points in the remaining issues closed;
A total of 22 R & D improvement projects have caused 2199 points of impact on PTU, 10 closed issues have contributed 777 points to PTU, and 1421 points to PTU after the remaining issues are closed;<br>