| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.8 | USD | 20251127 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.75 | USD | 20251126 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.67 | USD | 20251125 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.61 | USD | 20251124 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.53 | USD | 20251121 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.45 | USD | 20251120 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.54 | USD | 20251119 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.67 | USD | 20251114 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.56 | USD | 20251113 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.65 | USD | 20251112 |