| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Yankuang LunanChem | China national standards | MT | USD | 20250403 | |
| Shandong Hualu | China national standards | MT | USD | 20250403 | |
| Hebei Kingboard | China national standards | MT | USD | 20250403 | |
| TJ Yongli Chem | China national standards | MT | USD | 20250403 | |
| Shaanxi Yanchang Petro | China national standards | MT | USD | 20250403 | |
| Kaifeng Pingmei | China national standards | MT | USD | 20250402 | |
| Jiyuan Lianchuang | China national standards | MT | USD | 20250402 | |
| Dongying Huatai Chem | China national standards | MT | USD | 20250402 | |
| Henan Shunda Energy | China national standards | MT | USD | 20250402 | |
| Henan Longyu | China national standards | MT | USD | 20250402 |
