| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.99 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 834.12 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 834.12 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 834.12 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.99 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.99 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 840.94 | USD | 20251203 |