| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 973.48 | USD | 20251102 |
| Qingdao Shengze Chem | China national standards | MT | 973.48 | USD | 20251102 |
| Shandong Daoqin Chem | China national standards | MT | 945.26 | USD | 20251102 |
| Jinan Xinbo Chem | China national standards | MT | 1128.67 | USD | 20251102 |
| Guangzhou Tianyue Chem | China national standards | MT | 1213.32 | USD | 20251102 |
| Guangzhou Tianyue Chem | China national standards | MT | 1227.43 | USD | 20251102 |
| Shandong Yihe Chem | China national standards | MT | 1269.75 | USD | 20251102 |
| Shandong Haili Chem | China national standards | MT | 1269.75 | USD | 20251102 |
| Jinan Xinbo Chem | China national standards | MT | 1128.67 | USD | 20251102 |
| Shandong Aite Chem | China national standards | MT | 1100.45 | USD | 20251101 |