Changsha Yuelu District Hunan No.24 E-commerce Services No.31 E-commerce Operations No.44 Brand Operations No.48 Smart Hardware No.60 Chips No.64 Electronics Appliances No.67 Hardware No.68 Integrated Circuits No.81 Ya Ma Xun Cross-border E-commerce Dian Zi Yuan Parts Electronics Equipment Kua Jing Dian Shang / Foreign Trade 发明专利 实用新型专利 ISO9001认证 RoHS认证 REACH认证