• In 2009, developed PZH266 envelope making machine with pre-coating glue.
  • In 2008, developed Zj-9 letter card making machine.
  • In 2006, developed EMS-KD70 express mail envelope making machine.
  • In 2005, bought VMC1410 planer type milling-boring machining center.
  • From 2000 to 2004,developed the second generation of envelope machines.
  • In 1998, developed ZF380 envelope window-film sticking machine.
  • In 1996, developed XF160 envelope's remoisten glue daubing machine.
  • Established in 1992 by YONGJIA JIALIDA CO.,LTD, start to produce ZF280 envelope making machine.

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