| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 791.42 | USD | 20251201 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 876.21 | USD | 20251201 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 922.85 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 791.42 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |