| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1002.98 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251129 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1108.93 | USD | 20251129 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 953.54 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1115.99 | USD | 20251129 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 875.84 | USD | 20251129 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251129 |