shandong zhiwei environmental protection technology co.,ltd.was established in 2001,is the state-owned assets super-  vision and administration commission investment shares of high-tech enterprises,the company registered capital of 18.5 million  yuan.the  headquarters  is  located  at  the  3rd  floor,unit  2,building  7,xintiandi  square,shangang,jinan  high-tech free trade pilot zone,with 1000m² office space with independent property rights.the production base is located in weisu 4th road,qicheng avenue,qihe,shandong province,the conversion zone of old and new kinetic energy.it covers an area of 80 mu,with a plant area of about 25,000 m².The company is engaged in ozone generator,oxygen generator,water treatment and electronic product series research and development,sales of high-tech enterprises,2005