| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 239.61 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 232.56 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 232.56 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 232.56 | USD | 20251018 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.22 | USD | 20251018 |
| Qingdao Ruishuang Chemical Co., Ltd. | China national standards | MT | 422.84 | USD | 20251018 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 436.93 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 338.27 | USD | 20251017 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 338.27 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 380.56 | USD | 20251017 |