| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1110.67 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1103.64 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 885.73 | USD | 20250920 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 885.73 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 927.9 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 927.9 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 913.85 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |