... & reasonable price; 3.LR,DNV,ABS,GL,SGS certificate. Air coolerZhonghai Air cooler (SINOMEC) is widely used for main engine, compressors, diesels ... benefit Zhonghai having all the machineries and facilities along with ample stock of high quality raw materials e.g. ... and supplied by us. Our high technology facilities along with our experienced heat exchanger specialists and effective QC Department ...