| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 929.47 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 971.72 | USD | 20250909 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1197.05 | USD | 20250909 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1021.01 | USD | 20250909 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.72 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.51 | USD | 20250908 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 929.2 | USD | 20250908 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 929.2 | USD | 20250908 |