| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 829.75 | USD | 20250922 |
| Jinan Zhongyin Mat | China national standards | MT | 829.75 | USD | 20250922 |
| Luxi Chem | China national standards | MT | 773.49 | USD | 20250922 |
| Luxi Chem | China national standards | MT | 773.49 | USD | 20250922 |
| Qingdao Chengxin Chem | China national standards | MT | 801.62 | USD | 20250922 |
| Lihuayi Shandong | China national standards | MT | 900.06 | USD | 20250922 |
| Lihuayi Shandong | China national standards | MT | 956.32 | USD | 20250922 |
| Shandong Hongyang Chem | China national standards | MT | 956.32 | USD | 20250922 |
| Luxi Chem | China national standards | MT | 970.38 | USD | 20250922 |
| Sinopec | China national standards | MT | 1054.76 | USD | 20250922 |