Product name
ballpoint pen springs
Material
Spring steel,65Mn,60Si2Mn,SUS,nitinol,titaniumtim etc.
Surface treatment
Galvanize,Zinc,Nickel,Chrome plating, electrophoresis painting ect
Certification
ISO9001:2008/ROHS/DIN/GB
Quality Control
100% Inspention
packing
Inner:PE bags Outer: carton box
Shipping
DHL,Fedex,UPS,TNT,EMS,mail