| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1242.11 | USD | 20251124 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.2 | USD | 20251123 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1072.31 | USD | 20251123 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251123 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1072.31 | USD | 20251123 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1072.31 | USD | 20251123 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1072.31 | USD | 20251123 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.37 | USD | 20251123 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1180.95 | USD | 20251122 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1340.39 | USD | 20251122 |