| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.77 | USD | 20251205 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1045.95 | USD | 20251205 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.77 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 494.71 | USD | 20251205 |
| Chang Zhou Qi Di Chemical Co., Ltd. | 90% | MT | 678.45 | USD | 20251205 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 494.71 | USD | 20251205 |