| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 402.06 | USD | 20251104 |
| China national standards | MT | 324.47 | USD | 20251104 | |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.01 | USD | 20251104 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.01 | USD | 20251104 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.68 | USD | 20251104 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 352.68 | USD | 20251104 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 373.84 | USD | 20251104 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.79 | USD | 20251104 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.01 | USD | 20251104 |
| China national standards | MT | 423.22 | USD | 20251104 |