feature
.smooth surface
2.high test
3.manufacture price
4.delivery on time
5.certification
2.high test
3.manufacture price
4.delivery on time
5.certification
characteristic :
1.raw material --- high quality raw material in A3# and 45# carbon steel
2.heat treatment---harden and frequency quenching
3.surface treatment---lines clearly,grind,immersion oil
4.color---black,golden yellow,silvery
5.experience---Years Of Production Experience
6.certification
steel machine Non Standard Sprocket