| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.24 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1101.79 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1052.35 | USD | 20251202 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1002.91 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 904.03 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1073.54 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.66 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1045.29 | USD | 20251202 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |