| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 733.78 | USD | 20251111 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 832.56 | USD | 20251111 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 832.67 | USD | 20251110 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 726.83 | USD | 20251110 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 712.71 | USD | 20251110 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251110 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 733.88 | USD | 20251110 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 712.91 | USD | 20251109 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 910.55 | USD | 20251108 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 712.91 | USD | 20251108 |