| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 887.96 | USD | 20251018 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 747.02 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251018 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 803.39 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 775.2 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251018 |