| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1296.71 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 1198.04 | USD | 20251017 |
| Lihuayi Shandong | China national standards | MT | 1381.27 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 1226.23 | USD | 20251017 |
| Shandong Yuhuang Chem | China national standards | MT | 1367.18 | USD | 20251017 |
| Sinopec | China national standards | MT | 1226.23 | USD | 20251017 |
| Shandong Laya Chem | China national standards | MT | 972.53 | USD | 20251017 |
| Shandong Laya Chem | China national standards | MT | 972.53 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 1219.19 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 1198.04 | USD | 20251017 |