| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 630.94 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1023.53 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 532.79 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1023.53 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 532.79 | USD | 20250818 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 476.71 | USD | 20250818 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 420.63 | USD | 20250818 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 350.28 | USD | 20250817 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 350.28 | USD | 20250817 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 462.37 | USD | 20250817 |