Study on Easy-open Corrugated Box Corrugated Strip

BAIDU_CLB_fillSlot("858283"); At present, the domestic corrugated box easy opening technology is mainly realized by presetting the tearing hole, the half tangential line, the tearing perforation line, etc., and when the opening is broken, the corrugated box is broken along the preset te

Above the sea of ​​clouds

The scenery is pretty, the time is just right, bring the SLR, feel the sea of ​​clouds around, Buddha light shines, the sun sets... This is the protagonist of today: Niubei Mountain. Niubei Mountain is located in Yingjing County, Ya'an City, Sichuan Province. It is the branch o