| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Binzhou Dayou Energy | China national standards | MT | USD | 20251128 | |
| Dongying Haike | China national standards | MT | USD | 20251128 | |
| Wanhua Chem | China national standards | MT | USD | 20251128 | |
| Dongying Yatong | China national standards | MT | USD | 20251128 | |
| Zibo Qixiang Chem | China national standards | MT | USD | 20251128 | |
| Shandong Qicheng | China national standards | MT | USD | 20251128 | |
| Hongrun Petro | China national standards | MT | USD | 20251128 | |
| Dongying CNOOC | China national standards | MT | USD | 20251128 | |
| Zibo Dream | China national standards | MT | USD | 20251128 | |
| Zibo Xintai Chem | China national standards | MT | USD | 20251128 |
