For various kinds of railway bogie Fatigue life can reach 3 million time Excellent material characteristics DIN/ASTM standard

                                                                    Technical parameters

wire diameters(d)	coil diameters(D)	Free height(L0)	weight(Kg)	number of active coil(t)
12-45mm	60-245mm	205-423mm	4-82	3-12

1.Elements: internal spring and external spring

2.Materials: 60Si2Mn, 60Si2MnA, 60Si2CrVA, and 60Si2CrVAT

3.Usage:bogie of K2,K4,K8,Y25 with axle load of 21t,22.5t, 25t etc.

4.Certifications: ISO 9001,UIC 822 DIN 2096

5.Export destination: We have exported to Vietnam, Pakistan, Namibia, Venezuela, Burma, Thailand, Angola,

Sudan, Australia, etc

6.Besides, all those springs can be manufactured according to customer's requirement.

part of our processing equipments:

The reason to choose us:

1.Lower price:As trade company ,we have export rebates,whic can offer a lower price.

2.Enough flexibiliy:small order is also acceptable.

3.Multiple choice of products :We ,as trade company, not only supply the springs but also other related railway products such as bogies, wheels&wheelset,which reduce cost for buyers.

4.Multiple choice of export: we have business connection with manufacturer all over China,which makes exportation

convenience.