| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.25 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.25 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1214.88 | USD | 20251128 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1200.75 | USD | 20251128 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1094.8 | USD | 20251128 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.32 | USD | 20251128 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1059.49 | USD | 20251128 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1017.11 | USD | 20251128 |
| Befar Group Co., Ltd. | China national standards | MT | 1115.99 | USD | 20251128 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1031.23 | USD | 20251128 |