| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1333.24 | USD | 20251031 |
| Shandong Yuhuang Chem | China national standards | MT | 1290.91 | USD | 20251031 |
| Shandong Jinwen Chem | China national standards | MT | 1199.21 | USD | 20251031 |
| Changzhou Juyun Mat | China national standards | MT | 1354.4 | USD | 20251031 |
| Changzhou Juyun Mat | China national standards | MT | 1340.29 | USD | 20251031 |
| Changzhou Juyun Mat | China national standards | MT | 1354.4 | USD | 20251031 |
| Aite Zhejiang | China national standards | MT | 1312.08 | USD | 20251031 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1326.19 | USD | 20251031 |
| Aite Zhejiang | China national standards | MT | 1156.88 | USD | 20251031 |
| Beijing Yanshan Petro | China national standards | MT | 1220.37 | USD | 20251031 |