| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251115 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251115 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.83 | USD | 20251115 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.83 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.34 | USD | 20251113 |