Shenzhen factory：
West Side of WuZhiPa Reservior, SongGuang Town, BaoAn Section, ShenZhen City, China.
TEL：+86-755-27068674~7 27068841~2
FAX：+86-755-27068618 27068673
E-mail： hytec.manuf@gmail.com

Shanghai company：
181, ZhenYe Road, DongJing Town, SongJiang Section, ShangHai City, China.
TEL：+86-21-57676050 57676219 57676306
FAX：+86-21-57676106
E-mail： hongueunshanghai@hotmail.com

Taiwan company：
33, Lane 344, FuLian Road, TaiNan City, TaiWan.
TEL：+886-6-2747571 2754889
FAX：+886-6-2365242
E-mail：tsf5111@ms59.hinet.net