| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.07 | USD | 20251013 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1225.23 | USD | 20251013 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 929.49 | USD | 20251013 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 964.69 | USD | 20251013 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1098.48 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.65 | USD | 20251013 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1013.98 | USD | 20251013 |