Inquiry (采购产品): Smoke detector Hello, I want a quote on your cheapest model smoke detector.I am going to order 500 units on this first order, also include the shipping rates to the United States! **** Hidden Message ***** Co:genx sales Add:276 Crane Road, Zebulon, USA Tel:1-678-5880506 Fax:1-770-4674785 Email:genxsales@hotmail.com Contact Person: Mr. curtis jones Country:USA **** Hidden Message ***** genxsales@hotmail.com