| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 999.73 | USD | 20250913 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 985.65 | USD | 20250913 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.09 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.33 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.33 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.33 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 929.33 | USD | 20250913 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 999.89 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 971.72 | USD | 20250909 |