| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250902 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 984.68 | USD | 20250902 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 914.35 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250902 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250902 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250902 |