| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 785.17 | USD | 20250818 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 771.15 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 862.29 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 848.27 | USD | 20250818 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 785.17 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 701.05 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 785.17 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 757.13 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 771.15 | USD | 20250818 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 743.11 | USD | 20250818 |