Cov qauv yooj yim, txhim khu kev qha txheej txheem thiab kev ua haujlwm ruaj khov;High-lub zog yas plhaub;Clamping aluminium alloy locking nplhaib kom ruaj khov dua;3 theem ntawm lub zog tso saib, lub zog ntawm ib nrais muag;Kev tiv thaiv ib puag ncig ntawm cov ntaub ntawv, RoHS ntawv pov thawj.