http://www.ec21.com/ec-market/pet scan machine.html http://zhisen.en.ec21.com/Electronic_Helminthes_Machine--1882309_1882348.htmlmachine begin to work. Also you can hear electronic scanning sound from high frequency to low frequency. The frequency 20091223 http://usb3721.en.ec21.com/Insect_Killer_Ultrasonic_Pest_Repeller--2920174_2913468.htmlmachine begin to work. Also you can hear electronic scanning sound from high frequency to low frequency. The frequency 20091214 http://lisenao.en.ec21.com/Mosquito_Repeller_Pest_Repeller_Pest--3896180_3918505.htmlmachine begin to work. Also you can hear electronic scanning sound from high frequency to low frequency. The frequency 20091104 http://cleanhitec.en.ec21.com/Biofirst_patch--3450226_452336.htmlmachine looks at over 4,000 substances that may be causing problems. The machine is able to scan and treat the resonanc20080422