| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 931.77 | USD | 20251112 |
| Jinan Jinhao Chem | China national standards | MT | 1242.36 | USD | 20251112 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.65 | USD | 20251112 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.3 | USD | 20251112 |
| Qingdao Shengze Chem | China national standards | MT | 875.3 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1108.24 | USD | 20251112 |
| Shandong Qiangsen Chem | China national standards | MT | 931.77 | USD | 20251112 |
| Shandong Junfeng | China national standards | MT | 988.24 | USD | 20251112 |
| Beijing Yanshan Petro | China national standards | MT | 917.65 | USD | 20251112 |
| Unknown | China national standards | MT | 889.42 | USD | 20251112 |