| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.45 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.94 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.94 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.94 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.94 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.94 | USD | 20251014 |