| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 788.12 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.27 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.27 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 914.78 | 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 |