| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250923 |