| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1157.1 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 907.33 | USD | 20251103 |
| Beijing Yanshan Petro | China national standards | MT | 907.33 | USD | 20251103 |
| Shandong Zhiheng | China national standards | MT | 907.33 | USD | 20251103 |
| Jinan Jinrihe Chem | China national standards | MT | 1001.88 | USD | 20251103 |
| Beijing Yanshan Petro | China national standards | MT | 1199.21 | USD | 20251102 |
| Shiyou Yangzhou Chem | China national standards | MT | 907.17 | USD | 20251102 |
| Lihuayi Weiyuan Chem | China national standards | MT | 907.17 | USD | 20251102 |
| Beijing Yanshan Petro | China national standards | MT | 907.17 | USD | 20251102 |
| Jinan Qi Mat | China national standards | MT | 907.17 | USD | 20251102 |