| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.36 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 876.15 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 876.34 | USD | 20251207 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 876.34 | USD | 20251207 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.53 | USD | 20251207 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.53 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 876.34 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 876.34 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.71 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 876.54 | USD | 20251204 |