No.138 Dongguan Popularity Ranking No.13 Songshanhu No.949 Guangdong No.1 Ceramics No.1 Tao Ci Xin Materials No.3 Metal Materials No.3 Materials Technology No.7 New Materials No.13 Smart Hardware No.19 Products Copies Nets No.26 Electronics Appliances No.30 Qi Che Chan Industries Chain Metal Ceramics 专精特新小巨人企业 高新技术企业 省级专精特新中小企业 省级高新技术企业 科技型中小企业 省科技型中小企业 ISO13485认证 IATF16949认证 ISO14000认证