| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Yankuang Guotai Chem | China national standards | MT | USD | 20251204 | |
| Shandong Yaoming Chem | China national standards | MT | USD | 20251204 | |
| Shandong Langchem | China national standards | MT | USD | 20251204 | |
| Henan Longyu | China national standards | MT | USD | 20251204 | |
| Kaifeng Pingmei | China national standards | MT | USD | 20251203 | |
| Dongying Huatai Chem | China national standards | MT | USD | 20251203 | |
| Jiangyin Huaxiang | China national standards | MT | USD | 20251203 | |
| Shanxi Yushe Chem | China national standards | MT | USD | 20251203 | |
| Henan Shunda Energy | China national standards | MT | USD | 20251203 | |
| Jingzhou Hualu | China national standards | MT | USD | 20251203 |
