Shenzhen Yaoda Precision Hardware Co., Ltd. Tel: 86-0755-21052548/29533365 Fax: 86-0755-21052246 Mobile phone: 13168032006 18138875668 E-mail: yaoda168@163.com QQ:980809578/2565678601 Web site: zangluan.cn Address: Guangdong province Shenzhen city Baoan District Longhua town water waves around love Dong Industrial Zone B