Glow pob zeb: PE resin khoom thiab ceramic materail.
Loj: 1-3mm, 3-6mm, 6-8mm, 8-10mm, 1-3cm, 3-6cm, 6-8cm, 8-10cm.
Xim: daj, xiav, ntsuab.
Lub sij hawm ci: 8-10hours.
Peb tuaj yeem muab: 1. qauv dawb.2. kev txhawb nqa.3. kev cai clearance.4. 7 * 24 teev kev pabcuam