| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 260.25 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 260.25 | USD | 20250918 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 284.17 | USD | 20250918 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 351.69 | USD | 20250918 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 379.83 | USD | 20250918 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 256.03 | USD | 20250918 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 256.03 | USD | 20250918 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 256.03 | USD | 20250918 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 256.03 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 281.35 | USD | 20250918 |