This product come from Henan BEBON international co., ltd in CHINA. http: / / www.bebonchina.com Email: bill@ bebonchina.com Output: 3m3/ h( PZ-3) , 5.5m3/ h( PZ-5) , 9m3/ h( PZ-9) Max.conv.dist: 200m( PZ-3) , 200m( PZ-5) , 150m( PZ-9) Water cement ratio: