... hours,it has several functions:Compass,Audio Mosquito Dispeller,Vibration Alarm,Alarm when meet rain or danger,Torch,Radio ... capacity is 20-30 million. Bonding machine 54 sets, including AB520 machine 18 sets, AB510 machine 36 sets. SMT machines 21 sets ... , Injection molding machines 10 sets. Multifunction Compass,Audio Mosquito Dispeller,Vibration Alarm, ...