| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1210.33 | USD | 20250930 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1013.3 | USD | 20250930 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1177.96 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1139.96 | USD | 20250930 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1139.96 | USD | 20250930 |