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YT090C drainage plate (horizontal)

YT020M Type American standard vertical penetration instrument

YT6107 Type-film water vapor transmittance tester

YT 060-YType II geotextile thickness gauge

YT060F Type rough surface geomembrane coarse height tester

YT060M-III type geomembrane thickness gauge (new national standard)

Type YT060M-II geomembrane thickness instrument (rough surface)

YT060M-II geomembrane thickness instrument (smooth)

JGYQ-type I pneumatic prototype

JG022Prototing machine of geosynthetic materials

Type YT 068 type electronic geosynthetic material prototype manufacturer