| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 743.12 | USD | 20250822 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 743.12 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 862.3 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 848.28 | USD | 20250822 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 785.18 | USD | 20250822 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 771.16 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 701.06 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 785.18 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 785.18 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 757.14 | USD | 20250822 |