| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1212.5 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.02 | USD | 20251024 |
| Befar Group Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1029.21 | USD | 20251024 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.4 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1120.85 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.12 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1092.66 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.2 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |