Hauv qab no yog daim ntawv pov thawj uas XZWD Slewing Bearing Co., Ltd tau dhau mus, suav nrogkev lag luam daim ntawv tso cai, ISO9001: 2015, CCS daim ntawv pov thawj, SGS daim ntawv pov thawj thiab cov khoom patents thiab lwm yam.