| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 949.97 | USD | 20250930 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 900.71 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.27 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.27 | USD | 20250930 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 788.12 | USD | 20250930 |