| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 713.01 | USD | 20251125 |
| Nantong Zhonghe Chem | China national standards | MT | 804.79 | USD | 20251125 |
| Wuhan Hengjiu Chem | China national standards | MT | 847.15 | USD | 20251125 |
| Luxi Chem | China national standards | MT | 713.01 | USD | 20251125 |
| Wuhan Hengjiu Chem | China national standards | MT | 847.15 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 713.01 | USD | 20251125 |
| Luxi Chem | China national standards | MT | 748.31 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 713.01 | USD | 20251125 |
| Jinan Zhongyin Mat | China national standards | MT | 720.07 | USD | 20251125 |
| Luxi Chem | China national standards | MT | 818.91 | USD | 20251125 |