Mathevon is the world leader in the machining of critical inconel-based valve parts for major O&G OEMs. The Group’s offer both includes: (i) the manufacturing of finished turnkey surface & subsea sealing parts made of hard metals (steel, Inconel – Mathevon is one of the world’s leader in the machining of critical inconel-based parts for major O&G OEMs –, stainless steels, duplex, stellite, etc.) such as gates, seats, stems, tubing hangers and SBMS, and (ii) the welding of advanced cladding solutions & other special processes on third-party O&G equipment.