| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1154.15 | USD | 20251010 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1266.75 | USD | 20251010 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1153.27 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1153.27 | USD | 20251009 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1265.79 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1241.88 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |