| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkanda Chem | China national standards | MT | 535.56 | USD | 20251022 |
| Zaozhuang Yitai | China national standards | MT | 606.03 | USD | 20251022 |
| Zaozhuang Yitai | China national standards | MT | 634.21 | USD | 20251022 |
| Shanghai Guoke | China national standards | MT | 711.73 | USD | 20251022 |
| Shandong Yihe Chem | China national standards | MT | 535.56 | USD | 20251022 |
| Shandong Yihe Chem | China national standards | MT | 528.51 | USD | 20251022 |
| Shandong Fusheng | China national standards | MT | 563.75 | USD | 20251022 |
| Shandong Fusheng | China national standards | MT | 704.68 | USD | 20251022 |
| Beijing Yanshan Petro | China national standards | MT | 521.46 | USD | 20251022 |
| Lihuayi Weiyuan Chem | China national standards | MT | 521.46 | USD | 20251022 |