With 15 years' experience in the field of paper printing, ZTJ Packing Company Limited was established in 2012 for the most professional and creative envelopes in China. As a top 3 envelope manufacturer in the industrial, our main products only focus on the Rigid mailers, CD/DVD mailers, Cardboard envelopes, Board envelopes, Die-cut boxes and Corrugated mailers. Now ZTJ is an enterprise with skillful workers, professional management team, advanced equipment, deft design and latest technology that can offer competitive advantage products.. We always focus on reducing the labor and improve the efficiency of the equipment in the first place, so we can achieve a win-win situation with our customers is the right direction. Efficiency and pragmatic is the principle. Thanks for choosing ZTJ packing.