| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.31 | USD | 20250915 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 450.35 | USD | 20250915 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1041.43 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1041.43 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.73 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.73 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.59 | USD | 20250909 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 450.65 | USD | 20250909 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1028.05 | USD | 20250909 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1042.14 | USD | 20250909 |