| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 846.6 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251118 |