Shandong Laien Optic-electronic Technology Co.,Ltd. is the high standard&innovative tech corporation.It is the member of the forging and stamping machinery standardization commission and the high&new tech enterprise.It is mainly engaged in research,development,manufacture and sale of the photoelectric product, and also provides the safekguarding products and the industrial automation guard solutions for the machine processing, manufacture factories. With professional technology, advanced equipment, mature technology, perfect quality guarantee system and rich security protection...