Sitemap
|
Intranet
|
Location
About us
Business area
R&D
PR center
Customer support
Recruitment
Aluminium foil
- Secondary cell battery
- Packing
- FIN
- Construction
materials
- Electricity electronics
Heat exchanger
Manufacturing process
- Aluminum foil
Process
- Heat exchanger
Process
- MFC process
About us
Corporate overview
CEO message
Management policy
History
Organization
Location
Overseas corporation
Subsidiary introduction
DONG-IL History
Business area
Aluminium foil
- Secondary cell battery
- Packing
- FIN
- Construction materials
- Electricity electronics
Heat exchanger
Manufacturing process
- Aluminum foil Process
- Heat exchanger Process
- MFC process
R&D
R&D history
R&D field
Environmental /Quality management
PR center
PR data center
Customer support
NEWS
Recruitment
personnel management system
Introducing the performance of duties
Welfare system
Recruitment procedure
Sitemap
Intranet
Location
Manufacture Wave Fin with regular cutting length by processing Clad fin Louver forming and Packing & Unpacking.
Assemble by inserting Header pipe after lining up predetermined numbers of Wave fins and automatically supplied flat Tubes.
Apply Flux with in just proportions of dilution in order to remove oxide coating for effective braising of materials.
Eliminate foreign substances such as water or oil included in the materials.
Braise the material by passing through NB furnace, processed with nitrogen gas, with 600 degrees above zero.
Join the inlet/Outlet pipes with torch welding
Take a test if there is any leakage in the materials by inserting helium gas.
Loading & packaging for a delivery is implemented after examining the exterior and predetermined size of the materials.