Surface Pretreatment Lines
Surface pretreatment line projects have a lot of important technical points such as heating type,
heating capacity, water circulation systems, steam absorption systems, preventing the mixing of
chemicals and steam between tanks.

spraying or dipping type, are designed to provide a pre-paint cleaning process in the best way.
1.spraying:Single workpiece,large output,Plane workpiece

for high demand of effciency and automatic,these economical tanks can be replaced by vertical

shower type

2.immersion tank/dip washer:complex workpiece,Heavy weight

The most suitable surface pretreatment processes such as chromate, bonderite,nano-phosphate,

ironphosphate or zinc phosphate, are projected by our technical team according to your factory
conditions.
Our technical project team studies on your project by taking every detail into consideration and
calculating with a high precision.

other parts of the powder coating line,we can also supply

COLO have been working in the powder coating industry for over 10 years.

we manufacture powder coating machinery products are the culmination

of the knowledge and expeience we have gained over the many years we

have been working with our customers in the powder coating industry.

any question just contact: