| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.74 | USD | 20251203 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.94 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 890.41 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 791.47 | USD | 20251203 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 791.47 | USD | 20251203 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.54 | USD | 20251203 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |