Steel tubes; tubes of stainless steel; tubes of stainless steel; valves of metal other than parts of machines including those from alloy steel and titanium; valves of metal, other than parts of machines; valves of metal, other than parts of machines; metal valves for controlling the flow of gases in pipelines; metal valves for controlling the flow of fluids in pipelines; copper tubes [other than parts of machines]; couplings of metal for pipes; pipe unions of metal; junctions of metal for pipes; pipes and tubes of metal.
Metal GoodsFlexible hoses for conveying liquids; flexible hoses, not of metal; flexible hoses, not of metal; flexible hoses, not of metal; hose couplings, non-metallic; flexible hoses, not of metal; flexible hoses, not of metal.
Rubber GoodsAssembly of products for others; assemby [for third parties] of components in a cleanroom.
Treatment of Materials