| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 628.77 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 508.67 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 565.19 | USD | 20251209 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 678.22 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 579.32 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 522.8 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.54 | USD | 20251209 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 522.8 | USD | 20251209 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 621.71 | USD | 20251209 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 671.16 | USD | 20251209 |