| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Zibo Qixiang Chem | China national standards | MT | USD | 20250401 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20250401 | |
| Anhui Zhonghuifa | China national standards | MT | USD | 20250401 | |
| Huizhou Yussen | China national standards | MT | USD | 20250401 | |
| Zibo Qixiang Chem | China national standards | MT | USD | 20250331 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20250331 | |
| Anhui Zhonghuifa | China national standards | MT | USD | 20250331 | |
| Huizhou Yussen | China national standards | MT | USD | 20250331 | |
| Zibo Qixiang Chem | China national standards | MT | USD | 20250328 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20250328 |
