| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 987.78 | USD | 20251111 |
| Jinan Jinhao Chem | China national standards | MT | 1241.78 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1107.72 | USD | 20251111 |
| Jinan Xinbo Chem | China national standards | MT | 1128.89 | USD | 20251111 |
| Shanghai Wanzhong | China national standards | MT | 881.95 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Jinan Qi Mat | China national standards | MT | 874.89 | USD | 20251111 |
| Beijing Yanshan Petro | China national standards | MT | 1199.45 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1100.67 | USD | 20251111 |
| Shanghai SKY Chem | China national standards | MT | 1270.0 | USD | 20251111 |