| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Nanjing Baitu Chem | China national standards | MT | USD | 20251112 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20251112 | |
| Shandong Yushuo Chem | China national standards | MT | USD | 20251112 | |
| Shandong Qiancheng | China national standards | MT | USD | 20251112 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251112 | |
| Jinan Aochen Chem | China national standards | MT | USD | 20251112 | |
| CNPC | China national standards | MT | USD | 20251112 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251112 | |
| Shaanxi Petro Yanan | China national standards | MT | USD | 20251112 | |
| CNPC | China national standards | MT | USD | 20251112 |