| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 350.53 | USD | 20250822 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 350.53 | USD | 20250822 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 350.53 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 364.55 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 350.53 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 385.58 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 392.59 | USD | 20250822 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 336.67 | USD | 20250821 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 350.7 | USD | 20250821 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 392.78 | USD | 20250821 |