We are leading factory produce  die springs according to jib5012,iso10243, green,blue, red, yello, ilghtes loading, light loading heavy loading, super heavy loading
 

Series:  TJL, TJM, TJH, TJB


Material: 50CrVa, 50CrSi, 65Mn, SUP -12, SUP-10


Working time: 1500000( green-30%, blue-30%, red-25%, yellow-20% )

Using for enjection mould and auto clutch.

Exporting packing. surface; electrophoresis