Guangzhou Zishen Electric Technology Co., Ltd. (shortly as Zishen) was established in 2008. Our headquarters is located in Guangzhou Tianhe District. We specialize in supplying optical recording media and compact disc read only memories. We own world-class CD copying manufacture lines and advanced auto CD/DVD production lines from Germany and Switzerland. We introduced advanced online optical detecting machines from Dr Schenk and precise off-line performance testers from CD CATS. They can be ...