| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1124.21 | USD | 20250825 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1051.58 | USD | 20250824 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.76 | USD | 20250823 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1205.82 | USD | 20250823 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1205.82 | USD | 20250823 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1166.56 | USD | 20250823 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1205.82 | USD | 20250823 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1009.52 | USD | 20250823 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1051.58 | USD | 20250823 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 953.44 | USD | 20250823 |