| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Jiangsu Yangnong Chemical Co., Ltd. | China national standards | MT | 854.59 | USD | 20251202 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1271.29 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1567.93 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.93 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1567.93 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1511.43 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1200.67 | USD | 20251202 |