I'm beijing chuangkeyuan optical&electronic Co.,xxxxx by Ministry of Information Industry, Beijing Chuangkeyuan Optical Electronics Co.,Ltd is a high-tech company, which mainly engage...

badachu, beijing, china, China

I&＃039;m beijing chuangkeyuan optical&electronic Co.,xxxxx by Ministry of Information Industry, Beijing Chuangkeyuan Optical Electronics Co.,Ltd is a high-tech company, which mainly en...