| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1291.92 | USD | 20251114 |
| Wanhua Chem | China national standards | MT | 910.7 | USD | 20251114 |
| Lihuayi Shandong | China national standards | MT | 885.28 | USD | 20251114 |
| Lihuayi Shandong | China national standards | MT | 1327.21 | USD | 20251114 |
| Shandong Yeyang Chem | China national standards | MT | 1200.14 | USD | 20251114 |
| Sinopec | China national standards | MT | 875.4 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 1193.08 | USD | 20251114 |
| Jinan Qi Mat | China national standards | MT | 882.46 | USD | 20251114 |
| Shaanxi Yanchang Petro | China national standards | MT | 885.28 | USD | 20251114 |
| Lihuayi Shandong | China national standards | MT | 987.79 | USD | 20251113 |