| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 805.67 | USD | 20251207 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 805.67 | USD | 20251206 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 805.67 | USD | 20251206 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 805.67 | USD | 20251205 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 805.67 | USD | 20251205 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 819.99 | USD | 20251204 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 841.19 | USD | 20251204 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 833.88 | USD | 20251203 |