| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.37 | USD | 20251128 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1247.37 | USD | 20251128 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.37 | USD | 20251128 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1271.38 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.54 | USD | 20251127 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1247.55 | USD | 20251127 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |