| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1194.02 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1327.47 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1292.35 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1039.5 | USD | 20250826 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 969.26 | USD | 20250826 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1151.88 | USD | 20250826 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1306.4 | USD | 20250826 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1021.63 | USD | 20250825 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1292.84 | USD | 20250825 |