| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1211.15 | USD | 20251013 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1028.07 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1056.23 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1056.23 | USD | 20251013 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1056.23 | USD | 20251013 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.23 | USD | 20251013 |
| Befar Group Co., Ltd. | China national standards | MT | 1112.57 | USD | 20251013 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1140.73 | USD | 20251013 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1140.73 | USD | 20251013 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1140.73 | USD | 20251013 |