| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 408.17 | USD | 20251011 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 408.17 | USD | 20251011 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 365.95 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 365.95 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 365.95 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 365.95 | USD | 20251011 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 633.37 | USD | 20251011 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251011 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251011 |