| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 818.56 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1284.29 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Fusheng | China national standards | MT | 818.56 | USD | 20251118 |
| Liao Jinxinda | China national standards | MT | 853.84 | USD | 20251118 |
| Nanjing Runsheng Petro | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Zhiheng | China national standards | MT | 1256.07 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1079.65 | USD | 20251118 |
| Wuhan Hengjiu Chem | China national standards | MT | 1129.69 | USD | 20251117 |
| Aite Zhejiang | China national standards | MT | 1073.2 | USD | 20251117 |