| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 875.78 | USD | 20251202 |
| Zibo Jinshuo Chem | China national standards | MT | 918.16 | USD | 20251202 |
| Shandong Jiaen Chem | China national standards | MT | 953.47 | USD | 20251202 |
| Jinan Qi Mat | China national standards | MT | 865.89 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 865.89 | USD | 20251202 |
| Shanghai SinoMitsui | China national standards | MT | 875.78 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 875.78 | USD | 20251202 |
| Sinopec | China national standards | MT | 875.78 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 875.78 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 865.89 | USD | 20251202 |