Shenzhen Bairenji Technology Co., Ltd. is a high and new technology enterprise integrating R&D, manufacturing and sales of the security and protection products. Our main products range from smoke detector, gas detector, pir motion detector, active infrared beam detector, active infrared beam fence, manual call point, strobe siren, strobe light, emergency button, fire alarm control panel, burglar alarm system, etc.With advanced equipments, specialized engineers and versatile service, the ODM/OEM ...