| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.71 | USD | 20251112 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.22 | USD | 20251111 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.37 | USD | 20251110 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.21 | USD | 20251103 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251031 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1029.91 | USD | 20251031 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.25 | USD | 20251030 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1030.14 | USD | 20251030 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.56 | USD | 20251029 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.37 | USD | 20251028 |