| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 353.29 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 381.55 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 353.29 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 360.35 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 360.35 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 360.35 | USD | 20251208 |
| Zaozhuang Yitai Energy Technology Co., Ltd. | China national standards | MT | 395.68 | USD | 20251208 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 459.27 | USD | 20251208 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 325.02 | USD | 20251208 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 310.89 | USD | 20251208 |