| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.73 | USD | 20251115 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.44 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.23 | USD | 20251115 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1284.86 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1101.31 | USD | 20251115 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 917.76 | USD | 20251115 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251115 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1256.62 | USD | 20251114 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 889.52 | USD | 20251114 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1044.83 | USD | 20251114 |