| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 771.16 | USD | 20250822 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 687.36 | USD | 20250821 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 813.61 | USD | 20250821 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 687.36 | USD | 20250821 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 687.36 | USD | 20250821 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 743.47 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 771.53 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 785.56 | USD | 20250821 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 848.68 | USD | 20250821 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 862.71 | USD | 20250821 |