86-571-88298230
309, Hualong Business Bldg., No. 110, Moganshan Road, Hangzhou, Zhejiang, China (Mainland)
Battery Operated First Alert Simplex Smoke Detector, US $ 7.8 - 13.5 / Piece, Zhejiang, China, OKEFIRE, OK525SD.Source from Hangzhou Oke Fire Equipment Co., Ltd. on Waimaotong.com.