| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 974.12 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 868.24 | USD | 20251112 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.71 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 868.24 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 988.24 | USD | 20251112 |
| Jinan Qi Mat | China national standards | MT | 868.24 | USD | 20251112 |
| Sinopec | China national standards | MT | 1129.42 | USD | 20251112 |
| Shandong Shuojia Chem | China national standards | MT | 865.01 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 865.01 | USD | 20251111 |