Copied form newlong model gk-7c, all the parts are the same as newlong's. This machine is designed to close paper bags and pp bags. this is a continuous, rathen than internittent, feed machine; it is most suitable for tape-over closure in an antomatic packaging line. bags are held firmly between chains, throughout travel, until they are ainally closed. There is no possibility of a bag coming off the sewing machine during travel.