| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 | 
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1226.77 | USD | 20251023 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 | 
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1304.32 | USD | 20251023 | 
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 | 
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1269.07 | USD | 20251023 | 
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |