| Vendor | Spec | Unit | Price | Currency | Date |
| Jining Zhongyin EC | China national standards | MT | 918.95 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1258.25 | USD | 20251204 |
| Luxi Chem | China national standards | MT | 1145.15 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 897.74 | USD | 20251204 |
| Luxi Chem | China national standards | MT | 808.67 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 808.67 | USD | 20251204 |
| Shandong Yuanhe Chem | China national standards | MT | 1145.15 | USD | 20251204 |
| Shandong Haili Chem | China national standards | MT | 918.95 | USD | 20251204 |
| Jining Zhongyin EC | China national standards | MT | 763.43 | USD | 20251204 |
| Shandong Haili Chem | China national standards | MT | 808.67 | USD | 20251204 |