| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 907.36 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 874.9 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1157.13 | USD | 20251113 |
| Shandong Qiangsen Chem | China national standards | MT | 931.35 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 889.01 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1100.68 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 907.36 | USD | 20251113 |
| Shandong Zhiheng | China national standards | MT | 907.36 | USD | 20251113 |
| Shandong Junfeng | China national standards | MT | 1058.35 | USD | 20251113 |
| Shandong Huize Chem | China national standards | MT | 959.57 | USD | 20251113 |