| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 868.72 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.03 | USD | 20251202 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1031.16 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 819.28 | USD | 20251202 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 798.09 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 755.71 | USD | 20251202 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |