| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1264.32 | USD | 20251128 |
| Dongying Huatai Chem | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Jinling Chem | China national standards | MT | 1172.5 | USD | 20251128 |
| Shandong Jinling Chem | China national standards | MT | 1101.87 | USD | 20251128 |
| Dongying Huatai Chem | China national standards | MT | 1101.87 | USD | 20251128 |
| Shandong Jinling Chem | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Yuxuan Chem | China national standards | MT | 1214.88 | USD | 20251128 |
| Shandong Huize Chem | China national standards | MT | 1155.55 | USD | 20251128 |
| Shandong Jinmao | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Zhenkun | China national standards | MT | 1000.16 | USD | 20251128 |