| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.17 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.73 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.73 | USD | 20250926 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.39 | USD | 20250925 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.17 | USD | 20250925 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.17 | USD | 20250925 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.57 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.99 | USD | 20250925 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.17 | USD | 20250924 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.57 | USD | 20250924 |