| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.16 | USD | 20251027 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 241.25 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.16 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.76 | USD | 20251027 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 303.33 | USD | 20251027 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 303.33 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.16 | USD | 20251027 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 338.6 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.92 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 383.74 | USD | 20251027 |