| Vendor | Spec | Unit | Price | Currency | Date |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 1073.54 | USD | 20251202 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 960.53 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.16 | USD | 20251202 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1228.92 | USD | 20251202 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.16 | USD | 20251202 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1624.43 | USD | 20251202 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1031.16 | USD | 20251202 |