1.Waterproofhandle & rov qab so.
2. Patented & waterproof rov qhib angel 360 ° rov qab qhib.
3.Medical abs puag phaj waterproof galvanized steel, siab tshaj plaws load 120kg.
4.Solid steel kem galvanized steel kem waterproof muaj zog acid derusting qhov siab adjustable.
5.Wheel waterproof kho mob uas ntsiag to log plaub log nres customized log thiab bearing.