| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 534.78 | USD | 20250925 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.68 | USD | 20250925 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.68 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 450.34 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 436.27 | USD | 20250925 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 457.38 | USD | 20250924 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 482.71 | USD | 20250924 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.05 | USD | 20250924 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.05 | USD | 20250924 |