| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 762.75 | USD | 20251126 |
| Shandong Junfeng | China national standards | MT | 2189.39 | USD | 20251126 |
| Shandong Junfeng | China national standards | MT | 2161.14 | USD | 20251126 |
| Luxi Chem | China national standards | MT | 734.5 | USD | 20251126 |
| Shandong Junfeng | China national standards | MT | 2161.14 | USD | 20251126 |
| Shandong Junfeng | China national standards | MT | 2161.14 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 819.26 | USD | 20251126 |
| Luxi Chem | China national standards | MT | 889.88 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 713.32 | USD | 20251126 |
| Shandong Energy | China national standards | MT | 1017.01 | USD | 20251126 |