... coil spring/suspension spring,bogie spring,UIC822 standard,material for spring -51CrV4,black color paint CRV Company is specialized ... is very strict.besides,we are able to manufacture springs for other foreign markets, only if you offer us our ... /suspension spring, bogie spring,Manufacture standard: UIC822 standardMaterial for spring :51CrV4Protection for springs: Black color paint Package: Euro pallet( 80 cm ...