Since 1963 Simionato develops and produces weighers combined with vertical packaging machines. Today Simionato is a brand of ... Hayssen Flexible Systems. Hayssen Flexible Systems - can INTEGRATE the whole line from the weigher to the bagger through up to date technology; - is FLEXIBILE to produce different bag shapes with the same configuration; - is HIGHLY SPECIALIZED to offer the right machine configuration for all kinds of products/needs. read more