Black wire includes cold drawing wire annealed wire and black oiled wire
All of them use the high quality wire rod which diameter is 6.5mm as raw material
We can produce black wire ranges from 5# to 38#. Customer's orders are also acceptable.
Cold drawing wire is produced through wire-drawing
Annealed wire is though wire-drawing and anneal to finish.
Black oiled wire is formed via the processes: Wire-drawing, anneal, and fuel oil injection.
We can do it into straight cutting wireU type wire and also do according to users' special requirements.