| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 844.42 | USD | 20251001 |
| Lihuayi Shandong | China national standards | MT | 844.42 | USD | 20251001 |
| Shandong Jinshenrun Chem | China national standards | MT | 844.42 | USD | 20251001 |
| Luxi Chem | China national standards | MT | 886.64 | USD | 20251001 |
| Shandong Xingpeng Chem | China national standards | MT | 816.27 | USD | 20251001 |
| Jinan Zhongyin Mat | China national standards | MT | 816.27 | USD | 20250930 |
| Jinan Zhongyin Mat | China national standards | MT | 816.27 | USD | 20250930 |
| Luxi Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Qingdao Chengxin Chem | China national standards | MT | 802.2 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 823.31 | USD | 20250930 |