| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | 128# | MT | 1940.16 | USD | 20250919 |
| Shandong Yihe Fine Chemical Co., Ltd. | 128# | MT | 1897.99 | USD | 20250919 |
| Baozhen Chemical (Shandong) Co., Ltd. | 128# | MT | 2179.17 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | 128# | MT | 1912.05 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 2010.46 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 2011.56 | USD | 20250902 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 2008.77 | USD | 20250826 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 2004.35 | USD | 20250807 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 2000.92 | USD | 20250728 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 1999.38 | USD | 20250721 |