Wenzhou Rokin Machinery CO. Ltd is the manufacturer of full automatic paper bag machine, v bottom paper bag machine, square bottom paper bag machine, case making machine, cardboard slitting machine, 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. Among the certificates and patents we have obtained are utility model patent certificate, appearance design patent certificate, invention patent certificate, CE, and information technology service management system certificate.