| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20251005 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251004 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20251004 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251003 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 872.56 | USD | 20251003 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20251003 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251002 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20251002 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 872.56 | USD | 20251002 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 872.56 | USD | 20251001 |