| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 1053.96 | USD | 20251211 |
| Jinan Jinrihe Chem | China national standards | MT | 1004.44 | USD | 20251211 |
| Jinan Jinrihe Chem | China national standards | MT | 1004.44 | USD | 20251211 |
| Jinan Xinbo Chem | China national standards | MT | 1160.06 | USD | 20251211 |
| Jinan Xinbo Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Jinan Qi Mat | China national standards | MT | 820.53 | USD | 20251211 |
| Beijing Yanshan Petro | China national standards | MT | 820.53 | USD | 20251211 |
| Lihuayi Weiyuan Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Shiyou Yangzhou Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Beijing Yanshan Petro | China national standards | MT | 820.53 | USD | 20251211 |