| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Qiangsen Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Lihuayi Weiyuan Chem | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Qiangsen Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Jinan Jinhao Chem | China national standards | MT | 1244.12 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1102.74 | USD | 20251204 |
| Beijing Yanshan Petro | China national standards | MT | 841.19 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 819.99 | USD | 20251204 |