Shandong Laien Optic-Electronic Technology
www.laien.cnShandong Laien Optic-electronic Technology Co., Ltd was established in 2004 is honoured as the member of the forging and stamping machinery standardization commission and the national high&new technology enterprise active in the R&D, manufacture and sales of safety light curtains, measuring light barrier, safety control products and technical service since 2004, has been absorbed in providing reliable & high-efficient safety products.