| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1033.35 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 977.11 | USD | 20250919 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1082.56 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 977.11 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1116.3 | USD | 20250919 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 1075.53 | USD | 20250919 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |