QXD-300 (single-channe) Single-channe Fineness gauge's video
NBCHAOVIDEO1075 plays · · 2020-04-30
The MODERNER QXD-300 single-channe Fineness gauge is made of stainless steel and is a customized high-scale single-groove Fineness gauge. The QXD-250 Fineness gauge has a range of 0 to 300 μm.