| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.89 | USD | 20251209 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 486.06 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 537.0 | USD | 20251208 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 325.02 | USD | 20251208 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.68 | USD | 20251208 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.68 | USD | 20251208 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 466.34 | USD | 20251208 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.92 | USD | 20251208 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.92 | USD | 20251208 |