| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 706.72 | USD | 20251205 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 734.99 | USD | 20251205 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 706.72 | USD | 20251205 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 678.45 | USD | 20251205 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 710.96 | USD | 20251205 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 833.93 | USD | 20251205 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 769.09 | USD | 20251204 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 834.12 | USD | 20251204 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 706.88 | USD | 20251204 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 911.88 | USD | 20251204 |