... systems, use of units such as power plants, water plants, mills, water companies, engineering and high construction,Common type used ... to transport -15-- 115 centigrade air, compressed air, water, sea water, oil, acid and alkali. Special type used to transport ... 750)Tempreture-15~115special customer made could reach to -30--250Mediaair ,compressed air,water,sea water,oil,acid,alkali etc.Main Data: ...