| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 713.34 | USD | 20251202 |
| Shandong Laya Chem | China national standards | MT | 791.03 | USD | 20251202 |
| Zibo Lishuo Chem | China national standards | MT | 918.16 | USD | 20251202 |
| Liaocheng Yuanze Chem | China national standards | MT | 861.65 | USD | 20251202 |
| Nanjing Runsheng Petro | China national standards | MT | 720.4 | USD | 20251202 |
| Shandong Junfeng | China national standards | MT | 2161.2 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 847.53 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 889.91 | USD | 20251202 |
| Wanhua Chem | China national standards | MT | 1024.1 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 904.03 | USD | 20251202 |