| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 801.37 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.49 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.49 | USD | 20250920 |