| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 819.52 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Shiyou Yangzhou Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Zhejiang PetroChem | China national standards | MT | 847.78 | USD | 20251209 |
| Shanghai Shengyishe | China national standards | MT | 822.35 | USD | 20251209 |
| Shandong Mingyu | China national standards | MT | 1052.66 | USD | 20251209 |
| Jinan Xinbo Chem | China national standards | MT | 1130.37 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Changzhou Jiaye Chem | China national standards | MT | 1667.3 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 819.52 | USD | 20251209 |