| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 339.21 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 295.39 | USD | 20251210 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 238.86 | USD | 20251210 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 238.86 | USD | 20251210 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 238.86 | USD | 20251210 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 388.68 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.97 | USD | 20251210 |