| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Jinan Angxin Chem | China national standards | MT | USD | 20251201 | |
| Chengdu Rongjiaxin Chem | China national standards | MT | USD | 20251201 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 | |
| Shandong Langchem | China national standards | MT | USD | 20251201 | |
| Shandong Jinwen Chem | China national standards | MT | USD | 20251201 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251201 | |
| Shanghai Guoke | China national standards | MT | USD | 20251201 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251201 |
