how to use the forestry mulcher FFM180 ?

how to use the forestry mulcher FFM180 ?

Changzhou Farmer-Helper Machinery Co.,Ltd (manufacturer)
Add: No.2 Runyuan Road,Benniu Industrial Park,Changzhou,Jiangsu,China 
Tel: 0086-(0)519-83219989 
Fax: 0086-(0)519-83219986
E-mail: info@farmer-helper.com 
Official Website: http://www.farmer-helper.com 
Facebook Page: https://www.facebook.com/farmerhelpermachinery
Twitter : https://twitter.com/farmerhelper2 
Pinterest: https://www.pinterest.com/farmerhelper
Blog Spot: http://farmerhelper.blogspot.com
Wordpress: http://myfarmerhelper.wordpress.com