... quality, no leakage2.great performance3.long usage life4.high heat rejection, efficiency CertificateName: Iso9001Time:1998Now, we are applying ... , Japan and European countries. Company Introduction:DaLian SanFeng Heat Exchanger Co.,Ltd is located in Wafangdian city,Liaoning ... ,000 units. This company mainly produces oil coolers and heat exchangers.The engine oil cooler include plate-fin oil cooler, ...