Ntsuas Ntsuas

Dalian kuaj chaw nres tsheb
Kev xeem txog hardness
Lub suab nrov thiab kev co ntsuas
Siab Tso Dag
PT kuaj 
Shenyang kuaj chaw nres tsheb
Shijiazhuang kuaj sstation
Spectrometer
Lub Lim Ntsuas Kev Ntsuas
Ultrasonic qhov khuam kom paub tias yog
XRF Spectrometer
3D scanner