| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.27 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 324.09 | USD | 20251016 |
| Shanghai Denuo Chemical Co., Ltd. | China national standards | MT | 324.09 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 383.27 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 281.82 | USD | 20251016 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.18 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 338.18 | USD | 20251016 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 324.09 | USD | 20251016 |
| Qingdao Ruishuang Chemical Co., Ltd. | China national standards | MT | 422.73 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.32 | USD | 20251016 |