| Vendor | Spec | Unit | Price | Currency | Date |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1308.29 | USD | 20250918 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1041.01 | USD | 20250918 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1041.01 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1055.07 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.17 | USD | 20250916 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1027.78 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1041.86 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Guangzhou Yisheng Trading Co., Ltd. | China national standards | MT | 1253.04 | USD | 20250916 |