| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 731.83 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 731.83 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | Industrial Grade | MT | 830.34 | USD | 20250930 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 830.34 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 816.27 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 816.27 | USD | 20250930 |