| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1271.26 | USD | 20251126 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1247.25 | USD | 20251126 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.26 | USD | 20251126 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.53 | USD | 20251125 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.72 | USD | 20251125 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1129.53 | USD | 20251125 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.53 | USD | 20251125 |