| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 255.88 | USD | 20250919 |
| Qingdao Ruishuang Chemical Co., Ltd. | China national standards | MT | 421.77 | USD | 20250919 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 351.48 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 337.42 | USD | 20250919 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 330.39 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 293.84 | USD | 20250919 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 281.18 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 309.3 | USD | 20250919 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 323.36 | USD | 20250919 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 260.09 | USD | 20250919 |