| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1040.95 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1013.06 | USD | 20250901 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1041.2 | USD | 20250901 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 956.78 | USD | 20250901 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1195.97 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 984.92 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1210.04 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.86 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1210.04 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1210.04 | USD | 20250901 |