Hauj lwm lawm
Sib tham sib ntse board txais ib tug tag nrho nyob rau hauv ib tug tsim los pab txhawb kev ua hauj lwm txhua hnub thiab lub rooj sib tham activitives, nrog wireless projection, koj muaj peev xwm qhia koj lub laptop / computer screen rau lub digital whiteboard.
Cim npe nrov: 75 nti sib tham sib board rau lub rooj sib tham, Tuam Tshoj 75 nti sib tham sib board rau lub rooj sib tham manufacturers, lwm tus neeg, Hoobkas