Xinda is China bag machinery manufacturer since 1996, offer grip seal bag machine, zipper machine, plastic machine, plastic zipper and zipper bag equipment. We own film blowing machine, zipper extruder and injection molding machine for plastic zip lock bag. Our plastic machinery and zipper bag equipment like hot cutting machine, letterpress printer, corona treater and plastic granulator are used to meet bag production needs. We can design and produce plastic bag machine and plastic zipper in cus