| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.13 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.13 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.13 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.13 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.13 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1046.19 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.13 | USD | 20251204 |