B series connector using the push-pull self-locking safety system, applicableto high-level sensors and precision electronic and equipment of the electricalconnection, the products are small, multipole types 2 to 30 contacts, highcontact density; select multiple keys. The use of copper alloy shell processingsurface plating chrome or nickel, copper alloy pin jack used processing, thesurface of gold-plated insulators using high temperature, with good insulationproperties of engineering plastics injection molding; sheath using soft plasticsinjection molding, cable can be well protected.