(Reuters) -Boeing Co said on Monday it has suspended buying titanium from Russia, a move that could have ramifications for the planemaker’s relationship with its largest supplier of the commodity, VSMPO-Avisma. “Our inventory and diversity of titanium sources provide sufficient supply for airplane production,” the planemaker said in an emailed statement. The potential for disruptions to Russian commodity supplies, following the country’s invasion of Ukraine, has thrown a spotlight on the metal used in the aerospace, marine and auto industries. VSMPO-Avisma in a statement said it “regrets” the …