We are supplying kinds of case and base for electronic components,such as crystal resonators,oscillators,OCXO,TCXO,VCXO,filters 55x22,36x22,36x27,20x20.......We are supplying kinds of case and base for electronic components,such as crystalresonators,oscillators,OCXO,TCXO,VCXO,filters and so on.If you are using such products,please send us your drawing.We will serve you withthe best quality and ...