| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Mingyu | China national standards | MT | 926.63 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 2164.5 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 947.85 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1244.94 | USD | 20251211 |
| Shandong Energy | China national standards | MT | 792.24 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 2164.5 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 728.57 | USD | 20251211 |