| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 733.98 | USD | 20251124 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 712.8 | USD | 20251124 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 731.15 | USD | 20251124 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 769.26 | USD | 20251124 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 726.63 | USD | 20251121 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 763.32 | USD | 20251121 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 712.52 | USD | 20251121 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 733.69 | USD | 20251121 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 832.45 | USD | 20251121 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 832.45 | USD | 20251121 |