| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251124 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251123 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251123 | |
| Shandong Chambroad | China national standards | MT | USD | 20251123 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251122 | |
| Derun Chem | China national standards | MT | USD | 20251122 | |
| Shandong Chambroad | China national standards | MT | USD | 20251122 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251122 | |
| Huaibei Beike | China national standards | MT | USD | 20251121 | |
| Anyang Yutian | China national standards | MT | USD | 20251121 |
