| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.01 | USD | 20251031 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.01 | USD | 20251031 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 338.6 | USD | 20251031 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.03 | USD | 20251031 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.12 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | 90% | MT | 507.9 | USD | 20251031 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 324.49 | USD | 20251031 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1029.91 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |