| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251011 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251011 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.8 | USD | 20251011 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.35 | USD | 20251011 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.97 | USD | 20251011 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.35 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 795.24 | USD | 20251011 |