| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 760.49 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 767.53 | USD | 20251013 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 767.53 | USD | 20251013 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 753.45 | USD | 20251013 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 802.74 | USD | 20251013 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 767.53 | USD | 20251013 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 767.53 | USD | 20251013 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 802.74 | USD | 20251013 |