| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1581.34 | USD | 20251125 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.53 | USD | 20251125 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1171.89 | USD | 20251125 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1567.22 | USD | 20251125 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1200.12 | USD | 20251125 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1736.65 | USD | 20251125 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1609.58 | USD | 20251125 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1764.89 | USD | 20251125 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1580.87 | USD | 20251124 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1510.3 | USD | 20251124 |