| Vendor | Spec | Unit | Price | Currency | Date | 
| Lihuayi Group Co., Ltd. | China national standards | MT | 831.83 | USD | 20251024 | 
| Lihuayi Group Co., Ltd. | China national standards | MT | 860.03 | USD | 20251024 | 
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 881.3 | USD | 20251023 | 
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1269.07 | USD | 20251023 | 
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 881.3 | USD | 20251023 | 
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 881.3 | USD | 20251023 | 
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 881.3 | USD | 20251023 | 
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1015.26 | USD | 20251023 | 
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 881.3 | USD | 20251023 | 
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1015.26 | USD | 20251023 |