| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1199.62 | USD | 20251118 |
| Lihuayi Shandong | China national standards | MT | 1383.09 | USD | 20251118 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.35 | USD | 20251118 |
| Sinopec | China national standards | MT | 903.24 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1199.62 | USD | 20251118 |
| Aite Zhejiang | China national standards | MT | 1312.52 | USD | 20251118 |
| Wanhua Chem | China national standards | MT | 924.41 | USD | 20251118 |
| Shandong Shuojia Chem | China national standards | MT | 899.01 | USD | 20251118 |
| Lihuayi Shandong | China national standards | MT | 896.18 | USD | 20251118 |
| Shandong Laya Chem | China national standards | MT | 973.81 | USD | 20251118 |