Dongguan Guanghong Optronics Technology Co.,Ltd. Add:Nan Wu Adminstrative District,HouJie Town,Dongguan City,Guangdong Province Postcode:523960 TEL:(0086)769-85751891 81633806 FAX:(0086)769-85961891 85419469 SKYPE:WG-85701 E-mail:dg-gh@tom.com