| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 992.19 | USD | 20250930 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 781.09 | USD | 20250930 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1083.67 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1006.26 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1006.26 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1006.26 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |