| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 876.34 | USD | 20251207 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 763.26 | USD | 20251207 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251207 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251207 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251207 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 756.19 | USD | 20251207 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 876.34 | USD | 20251206 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 791.53 | USD | 20251206 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 876.34 | USD | 20251206 |