... qulity 2. Reasonable price 3. On time delivery Stainless Steel Flexible Component----------------------------------------------------------------------------------------------------------------------Features:To absorb effectively he vibration, noise, thermal ... plys : one ply double plies ,three plies ,four plies .- material: stainless steel ss304,ss321,ss316L, phosphor bronze, CuSn4, CuSn6, CuSn8 ...