Shenzhen Tianyi Shengtang Printing Co. Ltd. was established in 2005, is a 16 years experience professional manufacturer for paper printing packaging products+Corrugated Mailer BoxMagnetic Folding Box,Drawer BoxPaper Bag, Etc. More than 10000 m2 workshop, 200 employees+ with ISO9001FSC,SGS Bureau Veritas sertificates. We have R D dept.&manufacturing dept.QC dept.,sales depi. and warehouse dept.br