| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| GX Tiandong Jinyi Tech | China national standards | MT | USD | 20251201 | |
| Shandong Zhenkun | China national standards | MT | USD | 20251201 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251201 | |
| Aite Zhejiang | China national standards | MT | USD | 20251201 | |
| Nanjing Runsheng Petro | China national standards | MT | USD | 20251201 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251201 | |
| Liaocheng Xinli | China national standards | MT | USD | 20251201 | |
| Shandong Langchem | China national standards | MT | USD | 20251201 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251201 | |
| Shanghai Guoke | China national standards | MT | USD | 20251201 |
