Valmet will supply a headbox upgrade and two headbox recondition service packages to Green Forest (QingXin) Paper Industrial Limited paper mill in Qingxin County, Qingyuan, China. The delivery is scheduled to take place in September 2017, and the startup to be in October and November 2017.  

Valmet's delivery includes RetroDilution headbox upgrade to Green Forest (QingXin) Paper Industrial Limited's board machine 2 and headbox recondition service packages to paper machine 1 and board machine 2. This RetroDilution headbox upgrade delivery is first of its kind in mainland China.

 The RetroDilution for headbox is a dilution control retrofit that provides a cost-effective way of modernizing an existing slice lip controlled headbox into a dilution controlled one.