| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 987.58 | USD | 20251101 |
| Dongying Huatai Chem | China national standards | MT | 1100.45 | USD | 20251101 |
| Shandong Jinmao | China national standards | MT | 1100.45 | USD | 20251101 |
| Shandong Jinling Chem | China national standards | MT | 1058.13 | USD | 20251101 |
| Shandong Jinling Chem | China national standards | MT | 1100.45 | USD | 20251101 |
| Aite Zhejiang | China national standards | MT | 1297.97 | USD | 20251031 |
| Shandong Aite Chem | China national standards | MT | 1481.38 | USD | 20251031 |
| Qingdao Chengxin Chem | China national standards | MT | 902.93 | USD | 20251031 |
| Dongying Huatai Chem | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong Junfeng | China national standards | MT | 931.15 | USD | 20251031 |