| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 968.16 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Huize Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Yancheng SUPER Chem | China national standards | MT | 753.32 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 763.22 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 925.49 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 946.69 | USD | 20251209 |