| Vendor | Spec | Unit | Price | Currency | Date |
| Jining Zhongyin EC | China national standards | MT | 761.34 | USD | 20251024 |
| Jinan Qi Mat | China national standards | MT | 761.34 | USD | 20251024 |
| Jinan Qi Mat | China national standards | MT | 761.34 | USD | 20251024 |
| Shandong Haili Chem | China national standards | MT | 761.34 | USD | 20251024 |
| Luxi Chem | China national standards | MT | 1085.61 | USD | 20251024 |
| Luxi Chem | China national standards | MT | 1085.61 | USD | 20251024 |
| Luxi Chem | China national standards | MT | 916.42 | USD | 20251024 |
| Jinan Jinrihe Chem | China national standards | MT | 1071.51 | USD | 20251024 |
| Jinan Jinrihe Chem | China national standards | MT | 845.93 | USD | 20251024 |
| Nantong Zhonghe Chem | China national standards | MT | 986.92 | USD | 20251024 |