| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 896.72 | USD | 20250815 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 785.01 | USD | 20250814 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 770.99 | USD | 20250814 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 770.99 | USD | 20250814 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 770.99 | USD | 20250814 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 785.01 | USD | 20250814 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 869.11 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 897.15 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 915.37 | USD | 20250814 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 922.38 | USD | 20250814 |