| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 235.48 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 294.71 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.72 | USD | 20251023 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 380.72 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.57 | USD | 20251023 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 232.66 | USD | 20251023 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 239.71 | USD | 20251023 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 352.52 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.62 | USD | 20251023 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 303.17 | USD | 20251023 |