| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Langchem | China national standards | MT | USD | 20250923 | |
| Sinopec | China national standards | MT | USD | 20250923 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20250923 | |
| Jinan Jiaxing Chem | China national standards | MT | USD | 20250923 | |
| Shanghai Denuo Chem | China national standards | MT | USD | 20250923 | |
| Shandong Changyi Petro | China national standards | MT | USD | 20250923 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250923 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250923 | |
| Shandong Huize Chem | China national standards | MT | USD | 20250923 | |
| Shandong Aite Chem | China national standards | MT | USD | 20250923 |
