| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1310.45 | USD | 20251016 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Befar Group Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1077.95 | USD | 20251016 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1028.63 | USD | 20251016 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1197.72 | USD | 20251016 |