... .working hrs:200-250 hrs Europe native products farm disc steel plowcompany nature:tiller blade manufacturercompany history:since 1989Supplying high quality ... , Europe, USA, India, Middle East, Australia, etc.1)Material: spring steel, 65Mn, 60Si2Mn (Sup6), 28SiMnB2)Process: forged3)Heat treatment: normalized-hardened ... product as per your requirements. Europe native products farm disc steel plow