| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 409.0 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.69 | USD | 20251120 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 423.1 | USD | 20251120 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.36 | USD | 20251120 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 473.87 | USD | 20251120 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 394.89 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.69 | USD | 20251120 |