| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 931.99 | USD | 20251117 |
| Beijing Yanshan Petro | China national standards | MT | 917.87 | USD | 20251117 |
| Shandong Zhiheng | China national standards | MT | 907.99 | USD | 20251117 |
| Shanghai SKY Chem | China national standards | MT | 1270.9 | USD | 20251117 |
| Beijing Yanshan Petro | China national standards | MT | 988.48 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 875.4 | USD | 20251116 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.4 | USD | 20251116 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.4 | USD | 20251116 |
| Beijing Yanshan Petro | China national standards | MT | 875.4 | USD | 20251116 |
| Jinan Qi Mat | China national standards | MT | 875.4 | USD | 20251116 |