| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 448.28 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 350.22 | USD | 20250820 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 420.26 | USD | 20250820 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 476.3 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 532.33 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1022.64 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 630.39 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 630.39 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 448.28 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 403.45 | USD | 20250820 |