| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1272.03 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1180.16 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.83 | USD | 20251210 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.83 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1123.63 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1144.83 | USD | 20251210 |