Guangdong Silver Age Sci. & Tech.Co.,Ltd(Silver Age)was founded in Dongguan, Guangdong in 1997 and listed on Shenzhen Stock Exchange in 2011 (stock code: 300221). After more than 20 years of development, it has become a multi-base, cross-regional and multi-field national high-tech enterprises with production bases and R&D departments located in Dongguan, Zhongshan, Suzhou, Chuzhou,Vietnam.