| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 897.34 | USD | 20250818 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 922.58 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 915.57 | USD | 20250818 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 897.34 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 981.46 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 911.36 | USD | 20250818 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 841.26 | USD | 20250818 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 770.62 | USD | 20250817 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 770.62 | USD | 20250817 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 784.63 | USD | 20250817 |