| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1251.65 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1033.35 | USD | 20250921 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 1138.79 | USD | 20250920 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250920 |