| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.82 | USD | 20251101 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 406.32 | USD | 20251031 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 406.32 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1029.91 | USD | 20251031 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 474.04 | USD | 20251031 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.88 | USD | 20251031 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 536.12 | USD | 20251031 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.88 | USD | 20251031 |