... warranty: 1 yea ZHEJIANG JUSEN MECHANICAL AND ELECTRICAL CO.,LTD is profession manufactory for kinds of pumps, control ... sets per year. Our company is a owner import-export joint-stock enterprises with scientific research, designing, manufacturing ... famous product" , "National product license" , "self-employed import-export certification" , and approved by ISO9001, and ISO2000NO.TYPEPOWERMAX.FLOWMAX. ...