... available OEM available Good after-sales service sheet metal processingwhat we can do ?l laser cuttingl Welding,painting ... 20mm (max) Our advantagesl we are a direct manufacturer,and own metal working Euipment (laser cutting machine, CNC punching,CNC ... to material: carbon steel,stainless steel,aluminum alloy,brass and bronze alloyl Extensive surface treatment experience :polishing,zinc plating, ...