| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Zhiheng | China national standards | MT | USD | 20251128 | |
| Sinopec | China national standards | MT | USD | 20251128 | |
| CNPC | China national standards | MT | USD | 20251128 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251128 | |
| Jinan Jiaxing Chem | China national standards | MT | USD | 20251128 | |
| Derun Chem | China national standards | MT | USD | 20251128 | |
| Huizhou Jincheng Petro | China national standards | MT | USD | 20251128 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251128 | |
| Shandong Mingyu | China national standards | MT | USD | 20251128 | |
| Shandong Huize Chem | China national standards | MT | USD | 20251128 |
