| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 833.88 | USD | 20251203 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 865.89 | USD | 20251202 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.78 | USD | 20251202 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 876.21 | USD | 20251201 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 866.32 | USD | 20251201 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.84 | USD | 20251130 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.84 | USD | 20251129 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 889.97 | USD | 20251128 |