| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.88 | USD | 20250908 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.41 | USD | 20250908 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 901.04 | USD | 20250908 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 915.12 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.88 | USD | 20250907 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.88 | USD | 20250906 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 914.67 | USD | 20250906 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.6 | USD | 20250906 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.45 | USD | 20250906 |