| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.76 | USD | 20251023 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1029.36 | USD | 20251023 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1071.66 | USD | 20251023 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1015.26 | USD | 20251023 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.66 | USD | 20251023 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1092.26 | USD | 20251022 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |