| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 874.82 | USD | 20251119 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 888.93 | USD | 20251119 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.01 | USD | 20251118 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 889.13 | USD | 20251118 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.51 | USD | 20251117 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.4 | USD | 20251116 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.4 | USD | 20251115 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.4 | USD | 20251114 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 889.52 | USD | 20251114 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 889.01 | USD | 20251113 |