| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1169.33 | USD | 20250928 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1517.88 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Suzhou Xuehang New Materials Co., Ltd. | China national standards | MT | 1616.26 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1068.14 | USD | 20250928 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1025.97 | USD | 20250927 |