... 1.ROHS compliant 2.ISO9001:2000 certified 3.OEM service offered, Design Service Offered Crystal Resonator Shell1.matrial ... , High quality and quick delivery10.Size:Adjustable11.Standard:OEM manufacturing as per customers requirements,and ISO9001 certification12.Advanced ... material and surface treatment conform to ROHS environmental requirements P/N Material:Brass,CRS,Stainless steel,Kovar,Copper-Nickel- ...