| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Langfang Zhaoqin Energy | China national standards | MT | USD | 20261021 | |
| Shandong Jiaming Chemical | China national standards | MT | USD | 20261021 | |
| Shandong Yaoming Chem | China national standards | MT | USD | 20261021 | |
| Shandong Mantanghong | China national standards | MT | USD | 20261021 | |
| Jinan Jinhao Chem | China national standards | MT | USD | 20261021 | |
| Jinan Jinrihe Chem | China national standards | MT | USD | 20261021 | |
| Shandong Zhuoxuan | China national standards | MT | USD | 20261021 | |
| Jinan Zesheng | China national standards | MT | USD | 20261021 | |
| Shandong Yuanhe Chem | China national standards | MT | USD | 20261021 | |
| Shandong Qiancheng | China national standards | MT | USD | 20261021 |
