... stainless steel, Iron (SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper, brass, bronze alloy, etc. 6. Surface treatment: professional stainless steel ... , powder coating, and immersion coating), and plating (chrome, nickel, copper, zinc electroplating) are also workable.7. Applied software for specification ... welcome for your visit and your enquiry. stainless steel water sinks/kitchen basins