| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 768.4 | USD | 20251126 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 734.5 | USD | 20251126 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 713.01 | USD | 20251125 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 734.19 | USD | 20251125 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 833.03 | USD | 20251125 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 833.03 | USD | 20251125 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 734.19 | USD | 20251125 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 766.67 | USD | 20251125 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 832.78 | USD | 20251124 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 832.78 | USD | 20251124 |