Machining, weld overlay, grinding, HVOF coating and lapping for oil&gas valves. We provide the whole cycle from the raw mater ... ial to the seats lapping. In the 2004 we introduced the quality system in conformity with the UNI EN ISO 9001:2008 standards; now is certified by the IIS (by SINCERT credit) in accordance with the UNI EN ISO 9001 e UNI EN ISO 3834-2. Our welding processes and all our welders care ertified in accordance with ASME IX. read more