| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 1001.16 | USD | 20251023 |
| Jinan Jinrihe Chem | China national standards | MT | 1001.16 | USD | 20251023 |
| Lihuayi Weiyuan Chem | China national standards | MT | 944.75 | USD | 20251023 |
| Beijing Yanshan Petro | China national standards | MT | 944.75 | USD | 20251023 |
| Shandong Xingpeng Chem | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Qiangsen Chem | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Qiangsen Chem | China national standards | MT | 930.65 | USD | 20251023 |
| Nantong Zhonghe Chem | China national standards | MT | 916.55 | USD | 20251023 |
| Shanghai Guoke | China national standards | MT | 1280.35 | USD | 20251023 |
| Jinan Angxin Chem | China national standards | MT | 987.06 | USD | 20251023 |