| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.9 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.8 | USD | 20251115 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.8 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.8 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.35 | USD | 20251113 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.35 | USD | 20251113 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.71 | USD | 20251112 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.71 | USD | 20251112 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.33 | USD | 20251111 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.33 | USD | 20251111 |