| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1271.29 | USD | 20251202 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1144.16 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1695.06 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1186.54 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.24 | USD | 20251202 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1200.67 | USD | 20251202 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1822.19 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.24 | USD | 20251202 |