... ,15A. 4.Certification:GB15763.2-2005 Variety kind of productThe substrate of the insulating glass can be: clear glass, stained ... winter,protect heat prohibit it go out.Reduce the fee of heating.· Proof heat,damp,cold,frosting,dewing.Production capacity ... plane,instrumental· Where need temperature control and the control of the air dew formation. · The observation door of refrigerator,cold store,in order ...