| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1129.69 | USD | 20251117 |
| Shandong Mingyu | China national standards | MT | 1052.02 | USD | 20251117 |
| Shiyou Yangzhou Chem | China national standards | MT | 875.51 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1115.57 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1115.57 | USD | 20251117 |
| Lihuayi Weiyuan Chem | China national standards | MT | 995.54 | USD | 20251117 |
| Shanghai Guoke | China national standards | MT | 1282.2 | USD | 20251117 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.51 | USD | 20251117 |
| Beijing Yanshan Petro | China national standards | MT | 875.51 | USD | 20251117 |
| Beijing Yanshan Petro | China national standards | MT | 907.99 | USD | 20251117 |