2nd Da Cheng Road,Ji chang Industrial Zone, Dongfeng Town, Zhongshan City, G.D. China

Topking Intermational Group Limited was founded in 2002 in Hong Kong,who is the master of the sub-company,Topking Opto-Electronics Technology Co.,Ltd. is located in Guangdong, one of the coastal provi...

No.47, Lane 149, Sec.3, Nangang Rd.

Our company is one of the most everlasting companies of power supply industry in Taiwan. Based on our well-reputed capabilities of developing, manufacturing and marketing, Yng Yuh has accumulated more...