| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 760.05 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 760.05 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 760.05 | USD | 20251010 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 788.2 | USD | 20251010 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 759.97 | USD | 20251005 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 788.12 | USD | 20251005 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20251005 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |