| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 954.29 | USD | 20251204 |
| Shandong Xingpeng Chem | China national standards | MT | 883.6 | USD | 20251204 |
| Jinan Jinhao Chem | China national standards | MT | 1244.12 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 975.5 | USD | 20251204 |
| Shandong Xingpeng Chem | China national standards | MT | 883.6 | USD | 20251204 |
| Beijing Yanshan Petro | China national standards | MT | 819.99 | USD | 20251204 |
| Beijing Yanshan Petro | China national standards | MT | 975.5 | USD | 20251204 |
| Unknown | China national standards | MT | 841.19 | USD | 20251204 |
| Unknown | China national standards | MT | 834.12 | USD | 20251204 |
| Jinan Xingdate Bio | China national standards | MT | 989.64 | USD | 20251204 |