| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.49 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.49 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.49 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 811.38 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 811.38 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 811.38 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 825.49 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 811.23 | USD | 20251102 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 811.23 | USD | 20251101 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 811.23 | USD | 20251031 |