| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 302.27 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 255.88 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 368.35 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.18 | USD | 20250920 |