| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 712.71 | USD | 20251118 |
| Shaanxi Petro Yanan | China national standards | MT | 687.31 | USD | 20251118 |
| Suzhou Zixu Mat | China national standards | MT | 1241.96 | USD | 20251118 |
| CNPC | China national standards | MT | 712.71 | USD | 20251118 |
| Shandong Zhiheng | China national standards | MT | 945.58 | USD | 20251118 |
| Zaozhuang Yitai | China national standards | MT | 1058.48 | USD | 20251118 |
| Jinan Zhongyin Mat | China national standards | MT | 712.71 | USD | 20251118 |
| Luxi Chem | China national standards | MT | 712.71 | USD | 20251118 |
| Aite Zhejiang | China national standards | MT | 987.92 | USD | 20251118 |
| Wanhua Chem | China national standards | MT | 762.11 | USD | 20251118 |