Shenzhen Yu Ming Electrical Technology Co., Ltd. address: Shenzhen City Guanlan Osmanthus fragrans community sightseeing Road No. 1221 Tiancheng Building Room 825 < br / > Phone: 0755-86154109 Fax: 0755-86154109 email: szbock001@vip.163.com technical support: No. 00000000, No.