| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 934.62 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shanghai Lanyan Cosmetics Co., Ltd. | China national standards | MT | 1335.17 | USD | 20250928 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 829.21 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 941.65 | USD | 20250928 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 906.51 | USD | 20250928 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.16 | USD | 20250928 |