| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.99 | USD | 20251117 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.99 | USD | 20251117 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251116 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251116 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 973.68 | USD | 20251113 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 973.68 | USD | 20251113 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 974.12 | USD | 20251112 |