| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.3 | USD | 20251112 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.3 | USD | 20251112 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.3 | USD | 20251112 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.3 | USD | 20251112 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.3 | USD | 20251112 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.89 | USD | 20251111 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.89 | USD | 20251111 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.89 | USD | 20251111 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.89 | USD | 20251111 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 874.89 | USD | 20251111 |