| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1432.0 | USD | 20251031 |
| Shandong Junfeng | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Jinling Chem | China national standards | MT | 1121.61 | USD | 20251031 |
| Dongying Huatai Chem | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong Lifuda | China national standards | MT | 1121.61 | 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 Jinling Chem | China national standards | MT | 1121.61 | USD | 20251031 |
| Dongying Huatai Chem | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong Junfeng | China national standards | MT | 931.15 | USD | 20251031 |