| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.32 | USD | 20251103 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.32 | USD | 20251103 |
| Befar Group Co., Ltd. | China national standards | MT | 1079.49 | USD | 20251103 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.49 | USD | 20251103 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 987.77 | USD | 20251103 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.32 | USD | 20251103 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1199.43 | USD | 20251103 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1030.1 | USD | 20251103 |
| Befar Group Co., Ltd. | China national standards | MT | 888.99 | USD | 20251103 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 959.54 | USD | 20251103 |