| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 976.15 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |