1.it is standard; 2.it cheap; 3.it is convenient to use Features:1.Alcohol recycling:Big recycling capacity with vacuum contracting flow, 5-10 times of productivity than the old types, 30% of energy cost, small investment and big profit.2.Contracting material:Combination of external heating cycling and vacuum vaporizing, quick vaporizing speed, contracting rate 1:3; In the complete sealing, there ...