| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 646.72 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.49 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.49 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.49 | USD | 20250919 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 829.49 | USD | 20250919 |