| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 889.03 | USD | 20251030 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 889.03 | USD | 20251030 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 883.38 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1298.26 | USD | 20251030 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1326.48 | USD | 20251030 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 973.7 | USD | 20251030 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1312.37 | USD | 20251030 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.79 | USD | 20251030 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.81 | USD | 20251030 |