PORTABLE BAG CLOSERS Economical, robust, and portable high-speed bag closing machines with minimum maintenance. NP-7A THE #1 SELLING HIGH-SPEED PORTABLE BAG CLOSER NP-3II DOUBLE THREAD CHAIN STITCH PORTABLE DESIGNED FOR GEOTEXTILES NP-8 FOR USE IN THE AGRICULTURAL FIELD AND EXPLOSIVE CHEMICAL FACTORIES. NP-7H THE HORIZONTAL VERSION OF OUR #1 SELLING HIGH-SPEED PORTABLE BAG CLOSER