| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20250520 | |
| HLJ Longjiang Chem | China national standards | MT | USD | 20250520 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250520 | |
| Jiangsu Highchem Catalyst | China national standards | MT | USD | 20250519 | |
| Nantong Xingchen | China national standards | MT | USD | 20250519 | |
| Changshu Heyi | China national standards | MT | USD | 20250519 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20250519 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250519 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20250516 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250516 |
