| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 847.59 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.32 | USD | 20251129 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1200.75 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1186.63 | USD | 20251129 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1695.18 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1596.29 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.32 | USD | 20251129 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1151.31 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.5 | USD | 20251129 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1568.04 | USD | 20251128 |