| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.86 | USD | 20251119 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.83 | USD | 20251118 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 395.17 | USD | 20251118 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.17 | USD | 20251118 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.6 | USD | 20251118 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.83 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 324.6 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 324.6 | USD | 20251118 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 352.83 | USD | 20251118 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.94 | USD | 20251118 |