| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 232.66 | USD | 20251023 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.48 | USD | 20251023 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.48 | USD | 20251023 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 235.48 | USD | 20251023 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 296.12 | USD | 20251023 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 373.67 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.57 | USD | 20251023 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 303.17 | USD | 20251023 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.02 | USD | 20251023 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.48 | USD | 20251023 |