| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Langchem | China national standards | MT | USD | 20260922 | |
| CNPC | China national standards | MT | USD | 20260922 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20260921 | |
| Shandong Aite Chem | China national standards | MT | USD | 20260921 | |
| Hunan Yuanshuo Chem | China national standards | MT | USD | 20260921 | |
| Shandong Junfeng | China national standards | MT | USD | 20260921 | |
| Shandong Langchem | China national standards | MT | USD | 20260921 | |
| CNPC | China national standards | MT | USD | 20260921 | |
| Langfang Zhaoqin Energy | China national standards | MT | USD | 20260920 | |
| Shandong Aite Chem | China national standards | MT | USD | 20260920 |
