| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 907.35 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 907.35 | USD | 20251111 |
| Beijing Yanshan Petro | China national standards | MT | 1171.22 | USD | 20251111 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1157.11 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.84 | USD | 20251111 |
| Shandong Qiangsen Chem | China national standards | MT | 931.34 | USD | 20251111 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Jinan Qi Mat | China national standards | MT | 874.89 | USD | 20251111 |
| Shandong Qiangsen Chem | China national standards | MT | 931.47 | USD | 20251110 |