factory building
 
the Team
 
     
 
final checking01
 
final checking 02
 
     
 
air pressure test
 
valve section soldering in gigs
 
     
 
bell-making1
 
lapping on details
 
     
 
honing valves
 
machines
 
     
 
ready to go
 
special intonationpulseresponseimpedance test
 
 
   
 
R&D dept
 
1CAD 01 valve designing
 
     
 
CAD 02 tuba bows virtual assembly demo
 
CAD 03 all tuba parts virtual assembly demo
 
     
     

 

 

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