| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1003.49 | USD | 20251210 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1010.56 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 904.56 | USD | 20251210 |
| Hunan Lixin Shengshi New Material Technology Co., Ltd. | China national standards | MT | 1074.16 | USD | 20251210 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |
| Xiangyang Youdeshi Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |