| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 818.56 | USD | 20251118 |
| Shandong Laya Chem | China national standards | MT | 1002.03 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1129.05 | USD | 20251118 |
| Lihuayi Shandong | China national standards | MT | 818.56 | USD | 20251118 |
| Shandong Fusheng | China national standards | MT | 818.56 | USD | 20251118 |
| Liao Jinxinda | China national standards | MT | 853.84 | USD | 20251118 |
| Shandong Fusheng | China national standards | MT | 818.56 | USD | 20251118 |
| Nanjing Runsheng Petro | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Zhiheng | China national standards | MT | 1256.07 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1129.05 | USD | 20251118 |