| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.16 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.16 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.26 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.26 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.86 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.86 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.58 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 931.58 | USD | 20251124 |