| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 775.15 | USD | 20251022 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.18 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 923.13 | USD | 20251022 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 803.34 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |