| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1160.06 | USD | 20251211 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1249.19 | USD | 20251211 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1273.24 | USD | 20251211 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1272.03 | USD | 20251210 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1248.0 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.96 | USD | 20251210 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |