Nrog nws cov kws tshaj lij R & D pab pawg thiab kev paub nplua nuj, Beijing Huarunde Technology Co., Ltd. tau ua tiav cov ntawv tsis sib cuag IC daim ntawv nyeem thiab sau ntawv thev naus laus zis rau ntau qhov chaw, thiab tau ua tiav cov txiaj ntsig zoo kawg.