| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 889.97 | USD | 20251128 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.97 | USD | 20251127 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.76 | USD | 20251126 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 889.5 | USD | 20251125 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.38 | USD | 20251125 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 889.24 | USD | 20251124 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.13 | USD | 20251124 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 888.89 | USD | 20251121 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 888.51 | USD | 20251120 |