| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 382.41 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 351.48 | USD | 20250919 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 337.42 | USD | 20250919 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 365.76 | USD | 20250918 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 365.76 | USD | 20250918 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 256.03 | USD | 20250918 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 256.03 | USD | 20250918 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 260.25 | USD | 20250918 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 260.25 | USD | 20250918 |