| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.33 | USD | 20251117 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 847.27 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.27 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.27 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.27 | USD | 20251117 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.11 | USD | 20251117 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 748.42 | USD | 20251117 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 748.42 | USD | 20251117 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.11 | USD | 20251117 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 748.42 | USD | 20251117 |