| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 790.12 | USD | 20251121 |
| Wanhua Chem | China national standards | MT | 2158.73 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 959.44 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 2158.73 | USD | 20251121 |
| Wanhua Chem | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Energy | China national standards | MT | 1015.87 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 712.52 | USD | 20251121 |
| Luxi Chem | China national standards | MT | 1058.2 | USD | 20251121 |
| Shandong Xingpeng Chem | China national standards | MT | 712.52 | USD | 20251121 |
| Shandong Junfeng | China national standards | MT | 2158.73 | USD | 20251121 |