topswing

Quality

 

 SIJH doors and windows are manufactured at a modern factory with the most up-to-date machinery and systematic quality checks throughout the production process. This is the best guarantee for our overall high quality and superior products.
 
 
EN ISO 9001:2008
 
SIJHs management system meets the criteria in ISO 9001.Click here for further information.
 
 
CE-label
 
SIJH products are tested and approved according to the official CE-mark.
 

 

 
Banner

topswing

SIJH windows and doors system are quality all the way through