| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 930.18 | USD | 20251022 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 919.22 | USD | 20251021 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 918.66 | USD | 20251020 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |