MATERIAL

 
 
FLAT BAR SPRING STEEL,RIPPED AND GROVED SPRING ST. ACCORDING TO DIN 17221, QUALITY 55CR 3 &50CRV4

ROUND BARS SPRING ST. ACCORDING TO DIN 17221, QUALITY 55CR3&50CRV4

PIANO WIRE SPRING ST. ACCORDING TO DIN 17223-CLASS D

CHEMICAL MATERIALS FREE OF ASBESSTOS FOR LINING