| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | Industrial Grade | MT | 886.64 | USD | 20251001 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.39 | USD | 20251001 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 886.64 | USD | 20251001 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 830.34 | USD | 20250930 |
| Shandong Jinshengrun Chemical Co., Ltd. | Industrial Grade | MT | 886.64 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 830.34 | USD | 20250930 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 788.12 | USD | 20250930 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 802.2 | USD | 20250930 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20250930 |