| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.82 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1042.72 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.82 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1042.33 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.65 | USD | 20251015 |