water pump: 1) CE, Iso9001:2000,ISO 9001:2008 2) Acentric water pump 3) High flow diffusers 4.Pump's warranty: 1 yea ZHEJIANG ... Province, lying toward 104 national road. It is near to Huangyan, Wenzhou, Ningbo, Hangzhou airport, surrounding Haimen, Ningbo ... one member of pump association, with standardized "Zhejiang province famous product" , "National product license" , "self-employed import-export ...