| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.76 | USD | 20251201 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.88 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.62 | USD | 20251201 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.69 | USD | 20251201 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.76 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 741.96 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.01 | USD | 20251201 |