... least 50 yearsApplications:1) Cold and hot water supply systems for civil and industrial constructions, e.g.in ... , hotels, school and office buildings, shipbuilding2) Drinking water systems and food industry pipe works3) Central air conditioning system4) Irrigating ... such as swimming pools and stadiums6) For rainwater utilization systems Welcome to contact with me KATHYMOB:0086-13575571765 or ...