| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 881.18 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 881.18 | USD | 20251024 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.19 | USD | 20251024 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 916.42 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1106.76 | USD | 20251024 |