Buy fire Smoke alarm YUYAO KINGTAI INSTRUMENT CO.,LTD Founded in 1989,YUYAO KINGTAI INSTRUMENT CO.,LTD is specialized in the research and development, manufactures, sales, and services of industry instruments. KINGTAI is one of the draftsman of national inspection regulation JJG257-2007銆奟OTAMETER銆? has the National Technical Supervision issued by the manufacturing meter license, certificate...