| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 728.09 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.81 | USD | 20251204 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.33 | USD | 20251204 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 947.22 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.66 | USD | 20251204 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.85 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |