Tianjin Kung ta new material technology Co.ltd is a leading manufacturer of ro membrane with more than 8 years experience in China. Sapstone is our own brand. We have developed full automatic rolling machine, so our stable annual output is 5 million pieces. The Models from 50/75/80/100GPD to 200/300/400/600GPD upto 4021/4040/8040. Our main advantage: 1.ISO9001š2015 standard 2.Long service life 3.Cost effective 4.Stable supply 5.Customized Service Producing your own brand ro membrane. We will go to 2018 ASIAWATER Malaysia, booth No: Hall, 6. P631 and 2018 AquaTech China. Booth No.: 8.1H534. welcome to visit us. With advanced production equipment of ro membrane and sheet, we will provide strictly quality controlling and competitive products.