| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 706.27 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 678.02 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 706.27 | USD | 20251202 |
| Shandong Hanyue Chem | China national standards | MT | 734.53 | USD | 20251202 |
| Yuxiang Poplar Chem | China national standards | MT | 960.53 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 706.27 | USD | 20251202 |
| Shandong Yushuo Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 741.96 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 777.29 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 777.29 | USD | 20251201 |