| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 507.63 | USD | 20251023 |
| Nanjing Baitu Chem | China national standards | MT | 620.43 | USD | 20251023 |
| Nanjing Baitu Chem | China national standards | MT | 620.43 | USD | 20251023 |
| Beijing Yanshan Petro | China national standards | MT | 600.69 | USD | 20251023 |
| Shanghai Guoke | China national standards | MT | 712.09 | USD | 20251023 |
| Jinan Angxin Chem | China national standards | MT | 620.43 | USD | 20251023 |
| Zaozhuang Yitai | China national standards | MT | 606.33 | USD | 20251023 |
| Zaozhuang Yitai | China national standards | MT | 634.54 | USD | 20251023 |
| Shanxi Yangmei Chem | China national standards | MT | 613.38 | USD | 20251023 |
| Zhengzhou Yuhe Chem | China national standards | MT | 578.13 | USD | 20251023 |