| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 491.9 | USD | 20250926 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 505.96 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 344.33 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.41 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 330.28 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.47 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.39 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.39 | USD | 20250926 |