| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.81 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 929.65 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 755.87 | USD | 20251127 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.2 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |