Wenzhou Rokin Machinery CO. Ltd is the manufacturer of full automatic paper bag machine, square bottom paper bag machine, v bottom paper bag machine, and other machines, etc. We have many professional engineers who have more than twenty years experience in the packaging equipment manufacturing industry. The purpose of our company is to provide customers the intelligent packaging equipment, professional technical and service consultation. we have obtained many certificates and patents, such as practical new type patent certificate, design patent certificate, invention patent certificate, CE, information technology service management system certificate.