| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 778.09 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 777.35 | USD | 20251210 |