| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 794.82 | USD | 20250918 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 794.82 | USD | 20250918 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1153.55 | USD | 20250918 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 752.62 | USD | 20250918 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |