| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1116.54 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 819.74 | USD | 20251203 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1243.75 | USD | 20251203 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 848.01 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1116.54 | USD | 20251203 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 848.01 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 819.74 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 819.74 | USD | 20251203 |