| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 450.03 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 450.03 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 569.57 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.54 | USD | 20250922 |
| Wanhai Huaye (Qingdao) Energy Technology Co., Ltd. | China national standards | MT | 576.6 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 450.03 | USD | 20250922 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.16 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 450.03 | USD | 20250922 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 646.92 | USD | 20250922 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 660.99 | USD | 20250922 |