| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1430.5 | USD | 20251022 |
| Shandong Hongyang Chem | China national standards | MT | 1430.5 | USD | 20251022 |
| Shandong Xingpeng Chem | China national standards | MT | 1113.4 | USD | 20251022 |
| Shandong Yaowang Chem | China national standards | MT | 1120.44 | USD | 20251022 |
| Jinan Aochen Chem | China national standards | MT | 1550.82 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 1550.82 | USD | 20251021 |
| Dongying Huatai Chem | China national standards | MT | 1480.33 | USD | 20251021 |
| Shandong Jinling Chem | China national standards | MT | 1381.64 | USD | 20251021 |
| Jinan Pulaihua Chem | China national standards | MT | 1381.64 | USD | 20251021 |
| Shandong Zhenkun | China national standards | MT | 998.17 | USD | 20251021 |