Xi an HaoHaiJia Water Treatment Technology Co., Ltd. (CHIWATEC), a professional modern hi-tech enterprise in water treatment field, has the complete functions of scientific research and development, manufacture, marketing and maintenance service. With the membrane water treatment technology as its core, it is taking shape to be an integrated supply enterprise, manufacturing series of water treatment equipments. CHIWATEC is ISO9001 certified. The products cover RO, UF, Nanofiltration, ...