| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 815.73 | USD | 20251009 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 815.73 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1237.66 | USD | 20251009 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 787.6 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1139.21 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |