| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 817.71 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1057.38 | USD | 20251021 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1240.66 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 817.21 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 817.21 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1028.56 | USD | 20251020 |