| Vendor | Spec | Unit | Price | Currency | Date |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251121 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251121 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251121 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251121 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 903.0 | USD | 20251121 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |