| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chem | China national standards | MT | 1157.11 | USD | 20251111 |
| Beijing Yanshan Petro | China national standards | MT | 907.35 | USD | 20251111 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1157.11 | USD | 20251111 |
| Jinan Pulaihua Chem | China national standards | MT | 1037.17 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 907.35 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 907.35 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.84 | USD | 20251111 |
| Beijing Yanshan Petro | China national standards | MT | 1171.22 | USD | 20251111 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1199.45 | USD | 20251111 |