| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.55 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.55 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.55 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.55 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.55 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.55 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.55 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.41 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.41 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.21 | USD | 20251015 |