| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 818.46 | USD | 20251113 |
| Wanhua Chem | China national standards | MT | 762.01 | USD | 20251113 |
| Shandong Laya Chem | China national standards | MT | 790.23 | USD | 20251113 |
| Luxi Chem | China national standards | MT | 762.01 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 959.57 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 783.18 | USD | 20251113 |
| Jinan Zhongyin Mat | China national standards | MT | 719.68 | USD | 20251113 |
| Shandong Yeyang Chem | China national standards | MT | 776.12 | USD | 20251113 |
| Shandong Yeyang Chem | China national standards | MT | 804.35 | USD | 20251113 |
| CNPC | China national standards | MT | 733.79 | USD | 20251113 |