Wenzhou Zhengding Packaging Machinery Co.,Ltd， formerly Ruian Zhengdong Packaging Machinery Co.,Ltd. is a technical enterprise that manufacture and develop the environmental friendly paper based courier and e-commerce bags making machine and PP stationery making machine, which has over twenty years machine manufacturing experience. We consistently take “pursue transcendence” as enterprise mission. Trying our best to provide qualified products and best service to our clients. We have three sides sealing glue applying paper bag making machine, honeycomb paper cushion mailer making machine, paper bubble cushion mailer making machine, Kraft paper partly applying bottom gusset bag making machine, automatic 11 holes sheet protector making machine， automatic button file making machine and PP book cover making machine for your selection, which can meet your requirement of the product quality and output etc.