| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1126.65 | USD | 20251013 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1154.15 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1242.82 | USD | 20251011 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1266.75 | USD | 20251011 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |