| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1103.99 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |