| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Guanjiu Energy | China national standards | MT | 1030.71 | USD | 20251114 |
| Jinan Xinbo Chem | China national standards | MT | 1129.54 | USD | 20251114 |
| Jinan Xinbo Chem | China national standards | MT | 1129.54 | USD | 20251114 |
| Hualu Holdings | China national standards | MT | 1186.02 | USD | 20251114 |
| Jinan Aochen Chem | China national standards | MT | 1087.19 | USD | 20251114 |
| Nantong Zhonghe Chem | China national standards | MT | 953.05 | USD | 20251114 |
| Wuhan Hengjiu Chem | China national standards | MT | 960.11 | USD | 20251114 |
| Nanjing Waien Chem | China national standards | MT | 945.99 | USD | 20251114 |
| Qingdao Shengze Chem | China national standards | MT | 931.87 | USD | 20251114 |
| Qingdao Shengze Chem | China national standards | MT | 931.87 | USD | 20251114 |