| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251028 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251028 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 719.77 | USD | 20251028 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251028 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 719.77 | USD | 20251028 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 748.0 | USD | 20251028 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251028 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.13 | USD | 20251028 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251028 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.84 | USD | 20251028 |