The water quality standard of electronic semi-conductor industry. The electronic grade ultra pure water equipment we make is fully conformed to the water quality standard of ASTM in the United States ,The electronic grade water quality standard of Chinese electronic industry department(18M�©NaN,15M�©NaN,10M�©NaN,2M�©NaN,0.5M�©NaN ,five stage standard),The USA Semi-conductor pure water index,the water quality standards of Japanese integrated circuits ,the water quality standards for large scale integrated circuits at home and abroad.
