| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1116.24 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1109.18 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1243.41 | USD | 20251209 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.17 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1116.24 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |