San crown of Electronic Science and Technology Co. Ltd. - China

San crown of Electronic Science and Technology Shanghai Co., Ltd. is a production, and sales in major cities throughout the country has its own wholly-owned subsidiary in Guangzhou, Nanjing, Hangzhou, Nanchang, formed its own domestic market channels for products. And in Guangzhou , Zhuhai, and Jiangxi have their own production factories in Shanghai and Guangzhou for the country