| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 747.34 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 690.94 | USD | 20251023 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 705.04 | USD | 20251023 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.34 | USD | 20251023 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 867.2 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 747.34 | USD | 20251023 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 712.09 | USD | 20251023 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 831.95 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 729.01 | USD | 20251023 |