| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Zhenghe | China national standards | MT | USD | 20251127 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251127 | |
| Shanghai Huayi | China national standards | MT | USD | 20251127 | |
| Shandong Kaitai Petro | China national standards | MT | USD | 20251127 | |
| Jinan Aochen Chem | China national standards | MT | USD | 20251127 | |
| Shandong Mingyu | China national standards | MT | USD | 20251127 | |
| CNPC | China national standards | MT | USD | 20251127 | |
| Jinan Qi Mat | China national standards | MT | USD | 20251127 | |
| Wanhua Chem | China national standards | MT | USD | 20251127 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20251127 |
