| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1086.33 | USD | 20251027 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1044.0 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 775.95 | USD | 20251027 |
| Hunan Lixin Shengshi New Material Technology Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |