| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 831.81 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 920.63 | USD | 20251021 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 768.36 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 874.1 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.18 | USD | 20251021 |