| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1199.45 | USD | 20251111 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1199.45 | USD | 20251111 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251110 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1270.18 | USD | 20251110 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.19 | USD | 20251110 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1157.28 | USD | 20251110 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.54 | USD | 20251107 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1157.6 | USD | 20251107 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1270.54 | USD | 20251107 |