| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1257.7 | USD | 20251208 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 876.15 | USD | 20251208 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1045.73 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |