| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 761.06 | USD | 20251022 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 831.52 | USD | 20251022 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.18 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 923.13 | USD | 20251022 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |