| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.4 | USD | 20250913 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.4 | USD | 20250913 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 844.84 | USD | 20250913 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1450.32 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1056.06 | USD | 20250913 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1450.32 | USD | 20250912 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.4 | USD | 20250912 |