Email：info@szosto.com
Tel：(86-0755）29162710
Fax：(86-0755）27377078
Add：21/F,Unit 4,Building 2,Zhongxin Longsheng Square,Longdong Community,
Longgang street,Longgang area,Shenzhen city,Guangdong province,China
Factory add : Building 3, No. 3, Huitai South Road, Sandong Central Park, High-tech industrial park,
Huicheng District, 516025 Huizhou City,Guangdong province,China
