| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20260202 | |
| Dalian Fujia | China national standards | MT | USD | 20260202 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20260201 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20260201 | |
| Jinan Qi Mat | China national standards | MT | USD | 20260201 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20260201 | |
| Shandong Beiluhengsheng | China national standards | MT | USD | 20260131 | |
| Shandong Zhongshi | China national standards | MT | USD | 20260131 | |
| Jinan Qi Mat | China national standards | MT | USD | 20260131 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20260131 |
