march 12 is arbor day, and this year is the40th anniversary of the national voluntary tree planting. in this bright springday, in order to help green public welfare and implement the company's environmentalprotection concept of limited resources, unlimited green, the company officeorganized the part of the model workers, enterprise pacesetters, advancedworkers of 2020 to carry out the arbor day activities with the theme of sowinggreen, striving for excellence.