| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1030.84 | USD | 20251117 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1200.29 | USD | 20251117 |
| Befar Group Co., Ltd. | China national standards | MT | 1143.81 | USD | 20251117 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1200.29 | USD | 20251117 |
| Befar Group Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Befar Group Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1214.41 | USD | 20251117 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 988.48 | USD | 20251117 |