| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.87 | USD | 20251125 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.87 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.69 | USD | 20251125 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.53 | USD | 20251125 |