| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 917.76 | USD | 20251114 |
| Sinopec | China national standards | MT | 1058.95 | USD | 20251114 |
| Luxi Chem | China national standards | MT | 1058.95 | USD | 20251114 |
| Zaozhuang Yitai | China national standards | MT | 1058.95 | USD | 20251114 |
| Luxi Chem | China national standards | MT | 748.32 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 960.11 | USD | 20251114 |
| Lihuayi Shandong | China national standards | MT | 847.16 | USD | 20251114 |
| Luxi Chem | China national standards | MT | 2160.25 | USD | 20251114 |
| Wanhua Chem | China national standards | MT | 762.44 | USD | 20251114 |
| Shaanxi Petro Yanan | China national standards | MT | 1063.18 | USD | 20251114 |