This is the number of projects and the average r&d cost in Liuzhou this year/The hot end has 8 new projects and 3 ECR/The cold end has 4 new projects and 8 ECR/In 2020, the average r&d cost of each new hot-end project is 243 thousand yuan/each ECR project is 163 thousand yuan/The r&d cost of each new cold-end project is 278 thousand yuan/each ECR project is 118 thousand yuan