Specifications

making pen tool use roller chain (A & B Series )
Model:
A Series: 25----160
B Series: 03B----32B
All with simplex/double

making pen tool use roller chains (A & B Series )

Model:
A Series: 25, 35, 41, 40, 50, 60, 80, 100, 120, 140, 160

B Series:03B,04B,05B,06B,08B,10B,12B,16B,20B,24B,28B,32B.

All with simplex/double/triplex

This Series production manufacture with fine Steel, Automatic Heat Treatment Equipment and Automatic Assembling.