| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 999.23 | USD | 20251007 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20251007 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251007 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251006 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 999.23 | USD | 20251006 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 1076.63 | USD | 20251006 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20251006 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20251006 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1034.41 | USD | 20251005 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20251005 |