| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1157.1 | USD | 20251103 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.0 | USD | 20251103 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1269.98 | USD | 20251103 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1245.77 | USD | 20251101 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1156.88 | USD | 20251101 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251101 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251101 |