| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 399.27 | USD | 20251031 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251031 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251031 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.01 | USD | 20251031 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.14 | USD | 20251031 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.14 | USD | 20251031 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.23 | USD | 20251031 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 455.7 | USD | 20251031 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 536.12 | USD | 20251031 |