YG907D type hook wire rating light box

YG908D Pilling rating light box

YT050S Geotextile Wear Tester (Speed Control)

JG461S portable air permeability measuring instrument

YG461E-Ⅱ Air Permeability Measuring Instrument

YG461E air permeability measuring instrument

YG461H fully automatic air permeability tester

YG461K filter element air permeability measuring instrument

YG461S Desktop Air Permeability Measuring Instrument (Silent Type)

YG(B)815D—Ⅳ Fabric Flame Retardant Tester (small 45° method)

YG(B)815D—III type (large 45° method) flame retardant instrument