| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251102 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251101 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20251101 | |
| Shandong Daoqin Chem | China national standards | MT | USD | 20251101 | |
| Nantong Xingchen | China national standards | MT | USD | 20251031 | |
| Changshu Heyi | China national standards | MT | USD | 20251031 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20251031 | |
| HLJ Longjiang Chem | China national standards | MT | USD | 20251031 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251031 | |
| Shandong Xima | China national standards | MT | USD | 20251031 |
