| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 816.25 | USD | 20250923 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 816.25 | USD | 20250923 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250923 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 745.88 | USD | 20250923 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 851.43 | USD | 20250923 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.61 | USD | 20250923 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250923 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250923 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.43 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |