| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1122.48 | USD | 20251114 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1129.54 | USD | 20251114 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1242.5 | USD | 20251114 |
| Befar Group Co., Ltd. | China national standards | MT | 1143.66 | USD | 20251114 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.73 | USD | 20251114 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1143.66 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1270.74 | USD | 20251114 |