| Date Time | Honorary Title | Units Issued |
|---|
 | 2024-01 | in Shandong chemical cleaning co., Ltd. Sample 1 for certificate of honor | Sample 1 for issued by the unit |
| 2023-02 | in Shandong chemical cleaning co., Ltd. Sample 2 for certificate of honor | Sample 2 for issued by the unit |
| 2022-03 | in Shandong chemical cleaning co., Ltd. Sample 3 for certificate of honor | Sample 3 for issued by the unit |
| 2021-04 | in Shandong chemical cleaning co., Ltd. Sample 4 for certificate of honor | Sample 4 for issued by the unit |
| 2020-05 | in Shandong chemical cleaning co., Ltd. Sample 5 for certificate of honor | Sample 5 for issued by the unit |
| 2019-06 | in Shandong chemical cleaning co., Ltd. Sample 6 for certificate of honor | Sample 6 for issued by the unit |
| 2018-07 | in Shandong chemical cleaning co., Ltd. Sample 7 for certificate of honor | Sample 7 for issued by the unit |
| 2017-08 | in Shandong chemical cleaning co., Ltd. Sample 8 for certificate of honor | Sample 8 for issued by the unit |
| 2016-09 | in Shandong chemical cleaning co., Ltd. Sample 9 for certificate of honor | Sample 9 for issued by the unit |
| 2015-010 | in Shandong chemical cleaning co., Ltd. Sample 10 for certificate of honor | Sample 10 for issued by the unit |
| 2014-011 | in Shandong chemical cleaning co., Ltd. Sample 11 for certificate of honor | Sample 11 for issued by the unit |
| 2013-012 | in Shandong chemical cleaning co., Ltd. Sample 12 for certificate of honor | Sample 12 for issued by the unit |
| 2012-013 | in Shandong chemical cleaning co., Ltd. Sample 13 for certificate of honor | Sample 13 for issued by the unit |
| 2011-014 | in Shandong chemical cleaning co., Ltd. Sample 14 for certificate of honor | Sample 14 for issued by the unit |
| 2010-015 | in Shandong chemical cleaning co., Ltd. Sample 15 for certificate of honor | Sample 15 for issued by the unit |
| 2009-016 | in Shandong chemical cleaning co., Ltd. Sample 16 for certificate of honor | Sample 16 for issued by the unit |
| 2008-017 | in Shandong chemical cleaning co., Ltd. Sample 17 for certificate of honor | Sample 17 for issued by the unit |
| 2007-018 | in Shandong chemical cleaning co., Ltd. Sample 18 for certificate of honor | Sample 18 for issued by the unit |
| 2006-019 | in Shandong chemical cleaning co., Ltd. Sample 19 for certificate of honor | Sample 19 for issued by the unit |
| 2005-020 | in Shandong chemical cleaning co., Ltd. Sample 20 for certificate of honor | Sample 20 for issued by the unit |
