| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.01 | USD | 20251104 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.01 | USD | 20251104 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.21 | USD | 20251103 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 522.1 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.33 | USD | 20251103 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.33 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.33 | USD | 20251103 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.33 | USD | 20251103 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.22 | USD | 20251103 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.22 | USD | 20251103 |