Treesam Electronic is a special in integrated circuit,transistor,capacitor and other relation electronicsProducts.just like Tact switch,GPS module,Trimpot.Treesam Electronic is a the good souring partner for electronics factory.(GPS factory,digital timer etc)We can be the souring partner in china of electronics component for you.Hope to establish business relationship with you.As we say,we are your one stop for electronics component souring.Attachment is our catalog,welcome to inquiry with us anytime.Normal stockPIC12FXXX,PIC12F629-I/P,MICROCHIP,PIC16FXXX,PIC16F684-I/SL,MICROCHIP74HC00,74HC02SIM300CZ,SIM340,SIM508make inquiry with us when you need.