| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 255.88 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 255.88 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 255.88 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 255.88 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 267.12 | USD | 20250920 |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 281.18 | USD | 20250920 |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 281.18 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.51 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.51 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.51 | USD | 20250920 |