| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Zhiheng | China national standards | MT | 890.67 | USD | 20251204 |
| Shanghai Guoke | China national standards | MT | 1159.29 | USD | 20251204 |
| Jinan Xingdate Bio | China national standards | MT | 940.16 | USD | 20251204 |
| Shandong Hongshuo Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 904.81 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 763.43 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 763.43 | USD | 20251204 |