GreenWorks already had the certification of ASTM D6400 from BPI in USA and EN13432 of Din Certco in EU and FDA and TUV CE.We have 10 years experience of cPLA production,and have the good reputation in the global market such as US,Italy,Danmark,Germany,Canada base on our high quality and service.Warmly welcome to visit my factory and if you want to know the further information on my products,please contact with us.