Relying on ten years of experience in the testing and certification industry and many years of experience in the R & D and sales of professional testing equipment, the team of Guangzhou Intelligent Inspection Instruments Co., Ltd. has developed a variety of professional testing equipment for fire alarms, breaking the long-term foreign monopoly and focusing on the national standards, European standards and American standards in the fire detection and alarm industry. R & D, production and sales of standard equipment. The main products include smoke alarm standard cigarette boxes, UL217 standard cigarette boxes, constant smoke cigarette boxes for smoke alarm production, gas alarm calibration boxes and other professional equipment. Among them, the UL217 standard cigarette box launched by the founder as early as 2015 has exactly the same performance as the equipment of well-known American testing and certification companies, helping domestic alarm companies successfully pass American certification for many years. The recently developed and launched standard cigarette boxes that meet the national standards GB4715, GB20517, European standard EN14604, and EN54 standards are more popular among users with their excellent smoke optical densitometers and cigarette box generators!