| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 700.28 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 715.13 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 715.13 | USD | 20251211 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.79 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 742.72 | USD | 20251211 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 742.72 | USD | 20251211 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.79 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |