| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Langchem | China national standards | MT | USD | 20251129 | |
| Shandong Jiaen Chem | China national standards | MT | USD | 20251129 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20251129 | |
| Sinopec | China national standards | MT | USD | 20251129 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20251129 | |
| Jiangsu Highchem Catalyst | China national standards | MT | USD | 20251128 | |
| Dongying Fuyu | China national standards | MT | USD | 20251128 | |
| Sinopec | China national standards | MT | USD | 20251128 | |
| CNPC | China national standards | MT | USD | 20251128 | |
| Harbin BLUE STAR | China national standards | MT | USD | 20251128 |
