| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 353.68 | USD | 20251211 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 466.85 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1032.74 | USD | 20251211 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 537.59 | USD | 20251211 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 587.1 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 403.19 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 403.19 | USD | 20251211 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 396.12 | USD | 20251211 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 396.12 | USD | 20251211 |