EMA TECH  website upgraded and upgraded online. For many years, we have persisted in relying on scientific and technological progress, continuous innovation, research and development, continuously improving the quality of products and expanding the scale. After years of development, we have formed gate valves, ball valves, cut-off valves, check valves, ball valves, filters, forging steel valves and other series of valves. Pressure level from 1.0MPa-32MPa, caliber from DN15mm-3000mm, drive mode are: manual, worm drive, gear drive, pneumatic, electric and so on. Product reference standards are three series: Chinese standard, American Standard and Russian standard. Products are widely used in: Municipal Engineering, petrochemical, power, pharmaceutical, heating and ventilation, fire protection, environmental protection equipment, food machinery in many areas.